>>685981988

x = 6

>>685981988
six

ask wolfram alpha

>>685981988
answer is x=666

4x+1 = 25
4x = 24
x = 6

>>685981988
=> √(4x+1)=5
=> 4x+1=25
=> x=6

>>685981988
sqrt(4x+1)-5=0 /^2
4x+1-25=0
4x=24 /:4
x=6

>>685981988
How dumb you have to be so you need ask /b/ for help w/ homeworks...enjoy your wellfare dumass

>>685981988
Are you fucking retarded? Go home schoolboy.

>>685981988
6 you nigger

>>685981988
4x + 1 + 25 = 0
4x + 26 = 0
4x = -26
x = -26/4
x = -6.5

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6
Next.

>>685982470
-5 squared is 25.

>>685983183
app?

>>685981988
8

>>685982437

How the fuck do you get 25?

>>685983626
photomath

>>685983718
Add the 5 to the other side, then square it to get rid of the root.

>>685983718
are you that stupid or what?

>>685982470
you are mentally retarded (a-b)^2 = a^2 -2ab +b^2
firtst you shoud do sqrt(4x+1)=5 and than multiply

>>685983718
5^2

Do you even math?

>>685983889
No, you just don't know math.

>>685983054
Really?

>>685981988
IIIIII

>>685983889
(a-b)^(1/2) not (a-b)^2 i.e. the 1/2 will just go away once you put it to the power of 2.

>>685984014
It's -5^2.
Which makes 25.
Which means you subtract it from the other side.
-25.

is /b/ really tat dumb they can't figure out that X= -0

>>685981988
/4x+1-5=0
/4x-4=0
/4x=4
2x=4
2x/2=4/2
X=2

AWNSER IS X=2

>>685984283
Fuck this. I am writing it on paper

>>685981988
/4x+1=5
4x+1=25
4x = 24
x = 6

I dunno.

>>685981988
sqrt4x+1-5=0
add 5 to both sides
sqrt4x+1=5
x=6
6x4=24
24+1=25
sqrt of 25 = 5
5=5

>>685981988
6, any other answer in this thread is obviously b8

also check my 6

>>685981988
6

>>685981988
fucking retards, x=1

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>>685984283
>>685984554

>>685984758
>>685984990
/thread

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>>685984134
Yup. PEMDAS. In this case:
Exponent. Square everything to get.
4x +1 + 25 = 0
Add to get.
4x + 26 = 0
Get x to one side by subtracting 26 from bother sides.
4x = -26
Then divide to get x by itself.
x = -26/4

Why are you idiots doing this childs homework for him?

>>685984758
Order of operations says you do exponents first.

>>685984990
that's not on paper you liar, that is clearly a screen shot. i'm unsubscribing

>>685981988
x=6

Also, just because we can do something interesting:

√(1+4*6)=5

=> √(1+4(1+5))=5
=> √(5+4*5)=5
=> 5=√(5+4√(5+4*5))
=> 5=√(5+4√(5+4√(5+4*5)))
.
.
.
=> 5=√(5+4√(5+4√(5+4√(5+4√(5+4√(5+4...))))))

>>685985707
still got the right answer, doesnt really make a difference

>>685985700
Yes, I've got no better thing to do.

>>685985711
I couldn't be bothered to find this thread on my phone bro.

>>685985451
Yeah Cauchy and Schwartz didn't know what they were talking about, fuck their inequality, and fuck Young too.

You cannot square added terms individually.

>>685985979
This is a common problem on 7th grade :)

>>685984990
/4x + 1\ - 5 = 0
/4x + 1\ = 5
4x + 1 = 5^2
4x + 1 = 25
4x = 25 - 1
4x = 24
x = 24/4
x = 6
-x = -6
xxx = 666

>>685985719
How is that interdasting?

>>685986595
Because nested radicals are fun.

>>685986685
found the math nerd. This is why I am more of a chemistry guy.

>>685986685
Excuse my ignorance, what is a nested radical and what can they be used for?

>>685986876
https://en.wikipedia.org/wiki/Nth_root

>>685985850
It does.
Because if you do exponents first you get -5^2 which makes +25 then subtract to the other side.
But if you add 5 to both sides first you get a completely different, wrong answer.

>>685987209
not to mention that if your process is wrong it's gonna be zero points on a test

>>685987079
nested radical and nth-root is not the same

https://en.wikipedia.org/wiki/Nested_radical

this is fucking 7th grade math anon.shame

>>685981988
>Anonymous
√(4x+1)=5
4x+1=25
4x=24
x=6

>>685981988
X=1 it took me 17 seconds in my head

x=6

>>685983718
Did you drop out of highschool?

>>685987209
>>685985850
Imagine Sqrt(4x+1) + x - 5 = 0
You cant do exponents 1st now.
Sqrt(4x+1) = 5 - x
4x + 1 = 25 - 10x +x^2

>>685985719
lol

>>685987744
dubs speaks truth.

>>685987079
Thanks. Haven't done A level maths for 15 years, so hurts my brain.

I used Gassman equations in Geophysics (again a while ago) always found these very interesting as a real world application
https://en.m.wikipedia.org/wiki/Gassmann%27s_equation

>>685987490
But radical is, no?

>>685987983
>Gassmann
Its german for fart man

>>685988172
How's that job at McDonalds working out for you?

>>685986876
Nested radicals are something that came out of pure mathematics and were brought into focus primarily by the work of Ramanujan.

The ability to create finitely nested radicals were first discovered but not heavily studied when Cardano tried to solve the cubic equation. The Wikipedia example of √(3+2√(2))=1+√(2) is pretty good example of this. These are useful because this method of reduction simplifies the result.

Infinitely nested radicals on the other hand are useful as they can be used to find iterative solutions and they have a strong relation to Galois representations (part of Galois theory).

Some nested radicals are also a bit harder to solve, unlike that other one I made.
http://www.isibang.ac.in/~sury/ramanujanday.pdf

>>685987079
No.

https://en.wikipedia.org/wiki/Nested_radical

Although it is worth mentioning that you can create nested expressions with nth roots as well.

>>685987983
I've never worked with Grassman's equations. But I have looked at spherical harmonics in geophysics.

>>685984502
Are you stupid? I mean you are showing severe signs of stupid

sqrt(4x+1) = 5
4x+1 = sqr(5)
4x = 24
x = 24/4
x = 6

high school freshman level

Are you dumb

>>685988294
I dont work, 100% NEET. Work is for the slave caste

>>685988413
wat? I did this in 8th grade

>>685988413
>4x+1 = sqr(5)
>4x = 24

That is not possible

>>685988413
To be fair, I didn't learn this until 11th grade, but my school us the 2nd shittiest in the district.

ITT: we solve a kids homework

>>685989287
are you retarded? put a 4x = 25 - 1 in between

>>685989111
OK, Fartman!
As a slightly older anon, and hopefully wiser, I'd advise you to change that view and seek out work that makes you happy. Work gives you confidence, self respect and self esteem. Not depending on the state or people around for financial support would make a huge difference in your life, shit, it may even make you happy...

>>685989219
Different school systems.

>>685989506
kek

maybe some anon could ask somewhat really challenging

Seeing this while studying non-homogeneous second-order linear ordinary differential equations. Ah, good old times..

>>685989890
Do you want a challenging problem?

>>685989219
>>685989406
Ok, I honestly don't remember when i learned it. I also don't remember what I had for lunch yesterday. Is this caused by smoking weed?

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>>685989890
a part of graduate engineers entrance exam. Not really that hard but it's something

>>685988413
That's... that's not possible.....

>>685990135
as long as it's not on the list of Millennium Prize Problems

>>685985707
But there's an unknown variable.....

>>685990406
kk

Give me a moment to format it.

I believe it's:

x=6

4(6)+1=25
Square Root of 25 is 5
5-5= 0

Call me out if I'm wrong but I think that's it.

>>685985451

You can't do it that way. You don't square individual terms.

>√(4x+1) - 5 = 0

The way you're trying to do it:

>(√(4x+1) - 5)^2 = 0^2
>(4x+1) - 10√(4x+1) + 25 = 0

Don't feel like doing the rest because it's a fucking retarded way to do it.

x=6

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>>685990406
This is a number theory problem.

Let p(n) count the number of partitions of a non-negative integer n. Let σ(n) be the sum of divisors of n, with σ(0)=0.

Prove pic related.

>>685990232
2pi is 360* right?

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How about this?

>>685981988
√4x+1 - 5 = 0
√4x+√1-√5 = 0
2x + 0 -2,5 = 0
-0,5x = 0
x = 0,5

easy

>>685981988
who is this /B/?