(x+7)^2=-2(x+7)-1

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Solution for (x+7)^2=-2(x+7)-1 equation: 



(x+7)^2=-2(x+7)-1

We move all terms to the left:

(x+7)^2-(-2(x+7)-1)=0



We calculate terms in parentheses: -(-2(x+7)-1), so:

-2(x+7)-1

We multiply parentheses

-2x-14-1

We add all the numbers together, and all the variables

-2x-15

Back to the equation:

-(-2x-15)



We get rid of parentheses

(x+7)^2+2x+15=0

We add all the numbers together, and all the variables

2x+(x+7)^2+15=0

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

2x+(x+7)^2=-15

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