(x-1)^2=2x^2-6x-20

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Solution for (x-1)^2=2x^2-6x-20 equation: 



(x-1)^2=2x^2-6x-20

We move all terms to the left:

(x-1)^2-(2x^2-6x-20)=0

We get rid of parentheses

-2x^2+(x-1)^2+6x+20=0

We add all the numbers together, and all the variables

-2x^2+6x+(x-1)^2+20=0

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

-2x^2+6x+(x-1)^2=-20

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