(x+3)2=28

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Solution for (x+3)2=28 equation: 



(x+3)2=28

We move all terms to the left:

(x+3)2-(28)=0

We multiply parentheses

2x+6-28=0

We add all the numbers together, and all the variables

2x-22=0

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

2x=22

x=22/2

x=11

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