-18=-2(x+4)2

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Solution for -18=-2(x+4)2 equation: 



-18=-2(x+4)2

We move all terms to the left:

-18-(-2(x+4)2)=0



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

-2(x+4)2

We multiply parentheses

-4x-16

Back to the equation:

-(-4x-16)



We get rid of parentheses

4x+16-18=0

We add all the numbers together, and all the variables

4x-2=0

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

4x=2

x=2/4

x=1/2

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