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45=(x+8)2
We move all terms to the left:
45-((x+8)2)=0
We calculate terms in parentheses: -((x+8)2), so:We get rid of parentheses
(x+8)2
We multiply parentheses
2x+16
Back to the equation:
-(2x+16)
-2x-16+45=0
We add all the numbers together, and all the variables
-2x+29=0
We move all terms containing x to the left, all other terms to the right
-2x=-29
x=-29/-2
x=14+1/2
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