7(x-4)^2-8=20

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Solution for 7(x-4)^2-8=20 equation: 



7(x-4)^2-8=20

We move all terms to the left:

7(x-4)^2-8-(20)=0

We add all the numbers together, and all the variables

7(x-4)^2-28=0

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

7(x-4)^2=28

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