(2x+1)2=81

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Solution for (2x+1)2=81 equation: 



(2x+1)2=81

We move all terms to the left:

(2x+1)2-(81)=0

We multiply parentheses

4x+2-81=0

We add all the numbers together, and all the variables

4x-79=0

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

4x=79

x=79/4

x=19+3/4

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