66=(3x-9)2

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Solution for 66=(3x-9)2 equation: 



66=(3x-9)2

We move all terms to the left:

66-((3x-9)2)=0



We calculate terms in parentheses: -((3x-9)2), so:

(3x-9)2

We multiply parentheses

6x-18

Back to the equation:

-(6x-18)



We get rid of parentheses

-6x+18+66=0

We add all the numbers together, and all the variables

-6x+84=0

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

-6x=-84

x=-84/-6

x=+14

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