15x^2-39x+6x^2=(-7x+2)*(5-3x)

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Solution for 15x^2-39x+6x^2=(-7x+2)*(5-3x) equation: 



15x^2-39x+6x^2=(-7x+2)(5-3x)

We move all terms to the left:

15x^2-39x+6x^2-((-7x+2)(5-3x))=0

We add all the numbers together, and all the variables

15x^2+6x^2-39x-((-7x+2)(-3x+5))=0

We add all the numbers together, and all the variables

21x^2-39x-((-7x+2)(-3x+5))=0

We multiply parentheses ..

21x^2-((+21x^2-35x-6x+10))-39x=0



We calculate terms in parentheses: -((+21x^2-35x-6x+10)), so:

(+21x^2-35x-6x+10)

We get rid of parentheses

21x^2-35x-6x+10

We add all the numbers together, and all the variables

21x^2-41x+10

Back to the equation:

-(21x^2-41x+10)



We add all the numbers together, and all the variables

21x^2-39x-(21x^2-41x+10)=0

We get rid of parentheses

21x^2-21x^2-39x+41x-10=0

We add all the numbers together, and all the variables

2x-10=0

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

2x=10

x=10/2

x=5

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