(7x)(7x)=(13x+3)(5x+3)

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Solution for (7x)(7x)=(13x+3)(5x+3) equation: 



(7x)(7x)=(13x+3)(5x+3)

We move all terms to the left:

(7x)(7x)-((13x+3)(5x+3))=0

We multiply parentheses ..

-((+65x^2+39x+15x+9))+7x7x=0



We calculate terms in parentheses: -((+65x^2+39x+15x+9)), so:

(+65x^2+39x+15x+9)

We get rid of parentheses

65x^2+39x+15x+9

We add all the numbers together, and all the variables

65x^2+54x+9

Back to the equation:

-(65x^2+54x+9)



We get rid of parentheses

-65x^2-54x+7x7x-9=0

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

-65x^2-54x+7x7x=9

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