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299=(-7+2q)2
We move all terms to the left:
299-((-7+2q)2)=0
We add all the numbers together, and all the variables
-((2q-7)2)+299=0
We calculate terms in parentheses: -((2q-7)2), so:We get rid of parentheses
(2q-7)2
We multiply parentheses
4q-14
Back to the equation:
-(4q-14)
-4q+14+299=0
We add all the numbers together, and all the variables
-4q+313=0
We move all terms containing q to the left, all other terms to the right
-4q=-313
q=-313/-4
q=78+1/4
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