(X+7)(x+1)=(x+2)(x+5)

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Solution for (X+7)(x+1)=(x+2)(x+5) equation: 



(X+7)(X+1)=(X+2)(X+5)

We move all terms to the left:

(X+7)(X+1)-((X+2)(X+5))=0

We multiply parentheses ..

(+X^2+X+7X+7)-((X+2)(X+5))=0



We calculate terms in parentheses: -((X+2)(X+5)), so:

(X+2)(X+5)

We multiply parentheses ..

(+X^2+5X+2X+10)

We get rid of parentheses

X^2+5X+2X+10

We add all the numbers together, and all the variables

X^2+7X+10

Back to the equation:

-(X^2+7X+10)



We get rid of parentheses

X^2-X^2+X+7X-7X+7-10=0

We add all the numbers together, and all the variables

X-3=0

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

X=3

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