(X+3)(x+1)=x(x-6)

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Solution for (X+3)(x+1)=x(x-6) equation: 



(X+3)(X+1)=X(X-6)

We move all terms to the left:

(X+3)(X+1)-(X(X-6))=0

We multiply parentheses ..

(+X^2+X+3X+3)-(X(X-6))=0



We calculate terms in parentheses: -(X(X-6)), so:

X(X-6)

We multiply parentheses

X^2-6X

Back to the equation:

-(X^2-6X)



We get rid of parentheses

X^2-X^2+X+3X+6X+3=0

We add all the numbers together, and all the variables

10X+3=0

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

10X=-3

X=-3/10

X=-3/10

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