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11x-12=(4x+1)2
We move all terms to the left:
11x-12-((4x+1)2)=0
We calculate terms in parentheses: -((4x+1)2), so:We get rid of parentheses
(4x+1)2
We multiply parentheses
8x+2
Back to the equation:
-(8x+2)
11x-8x-2-12=0
We add all the numbers together, and all the variables
3x-14=0
We move all terms containing x to the left, all other terms to the right
3x=14
x=14/3
x=4+2/3
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