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(2x-5)2=7
We move all terms to the left:
(2x-5)2-(7)=0
We multiply parentheses
4x-10-7=0
We add all the numbers together, and all the variables
4x-17=0
We move all terms containing x to the left, all other terms to the right
4x=17
x=17/4
x=4+1/4
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