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What is the best way to solve this?
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What is the best way to solve this?
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>>136269
Substitute x and simplyfie keeping all mathematic rules
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>>136269
>>136379
>>136380
In conclusion the equation is true for both x = 2 and -2
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>>136379
>>136380
>>136381
Yes, but can you reach the conclusion x=2,-2 without knowing them?
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>>136385
you can find -2 as a solution easily by looking for zeroes. Graphing the function could lead you to the conclusion that 2 is another solution via inspection and then educated guess.

algebraically finding 2 seems tough
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>>136380

This one is incorrect...
The equation comes down to -4=0 which is false.
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