g(-2)=-(-2)^2

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Solution for g(-2)=-(-2)^2 equation: 



g(-2)=-(-2)^2

We move all terms to the left:

g(-2)-(-(-2)^2)=0

We add all the numbers together, and all the variables

g(-2)+4=0

We multiply parentheses

-2g+4=0

We move all terms containing g to the left, all other terms to the right

-2g=-4

g=-4/-2

g=+2

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