(2x-1)2-9=0

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Solution for (2x-1)2-9=0 equation: 



(2x-1)2-9=0

We multiply parentheses

4x-2-9=0

We add all the numbers together, and all the variables

4x-11=0

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

4x=11

x=11/4

x=2+3/4

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