(x-3)2-21=10

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Solution for (x-3)2-21=10 equation: 



(x-3)2-21=10

We move all terms to the left:

(x-3)2-21-(10)=0

We add all the numbers together, and all the variables

(x-3)2-31=0

We multiply parentheses

2x-6-31=0

We add all the numbers together, and all the variables

2x-37=0

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

2x=37

x=37/2

x=18+1/2

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