X(x-5)=x(x+2)=-7

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Solution for X(x-5)=x(x+2)=-7 equation: 



X(X-5)=X(X+2)=-7

We move all terms to the left:

X(X-5)-(X(X+2))=0

We multiply parentheses

X^2-5X-(X(X+2))=0



We calculate terms in parentheses: -(X(X+2)), so:

X(X+2)

We multiply parentheses

X^2+2X

Back to the equation:

-(X^2+2X)



We get rid of parentheses

X^2-X^2-5X-2X=0

We add all the numbers together, and all the variables

-7X=0

X=0/-7

X=0

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