x(x+15)+13=(x+7)(x+2)

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Solution for x(x+15)+13=(x+7)(x+2) equation: 



x(x+15)+13=(x+7)(x+2)

We move all terms to the left:

x(x+15)+13-((x+7)(x+2))=0

We multiply parentheses

x^2+15x-((x+7)(x+2))+13=0

We multiply parentheses ..

x^2-((+x^2+2x+7x+14))+15x+13=0



We calculate terms in parentheses: -((+x^2+2x+7x+14)), so:

(+x^2+2x+7x+14)

We get rid of parentheses

x^2+2x+7x+14

We add all the numbers together, and all the variables

x^2+9x+14

Back to the equation:

-(x^2+9x+14)



We add all the numbers together, and all the variables

x^2+15x-(x^2+9x+14)+13=0

We get rid of parentheses

x^2-x^2+15x-9x-14+13=0

We add all the numbers together, and all the variables

6x-1=0

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

6x=1

x=1/6

x=1/6

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