What is the best way to solve this?
>>136269
Substitute x and simplyfie keeping all mathematic rules
>>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
>>136380
This one is incorrect...
The equation comes down to -4=0 which is false.