(X+9)(x-7)=x^2-53

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Solution for (X+9)(x-7)=x^2-53 equation: 



(X+9)(X-7)=X^2-53

We move all terms to the left:

(X+9)(X-7)-(X^2-53)=0

We get rid of parentheses

-X^2+(X+9)(X-7)+53=0

We multiply parentheses ..

-X^2+(+X^2-7X+9X-63)+53=0

We add all the numbers together, and all the variables

-1X^2+(+X^2-7X+9X-63)+53=0

We get rid of parentheses

-1X^2+X^2-7X+9X-63+53=0

We add all the numbers together, and all the variables

2X-10=0

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

2X=10

X=10/2

X=5

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