7=(x+8)2

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Solution for 7=(x+8)2 equation: 



7=(x+8)2

We move all terms to the left:

7-((x+8)2)=0



We calculate terms in parentheses: -((x+8)2), so:

(x+8)2

We multiply parentheses

2x+16

Back to the equation:

-(2x+16)



We get rid of parentheses

-2x-16+7=0

We add all the numbers together, and all the variables

-2x-9=0

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

-2x=9

x=9/-2

x=-4+1/2

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