-2=(y-4)2

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Solution for -2=(y-4)2 equation: 



-2=(y-4)2

We move all terms to the left:

-2-((y-4)2)=0



We calculate terms in parentheses: -((y-4)2), so:

(y-4)2

We multiply parentheses

2y-8

Back to the equation:

-(2y-8)



We get rid of parentheses

-2y+8-2=0

We add all the numbers together, and all the variables

-2y+6=0

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

-2y=-6

y=-6/-2

y=+3

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