3x(5x-7)-2(9x-11)=4(8x-13-17)

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Solution for 3x(5x-7)-2(9x-11)=4(8x-13-17) equation: 



3x(5x-7)-2(9x-11)=4(8x-13-17)

We move all terms to the left:

3x(5x-7)-2(9x-11)-(4(8x-13-17))=0

We add all the numbers together, and all the variables

3x(5x-7)-2(9x-11)-(4(8x-30))=0

We multiply parentheses

15x^2-21x-18x-(4(8x-30))+22=0



We calculate terms in parentheses: -(4(8x-30)), so:

4(8x-30)

We multiply parentheses

32x-120

Back to the equation:

-(32x-120)



We add all the numbers together, and all the variables

15x^2-39x-(32x-120)+22=0

We get rid of parentheses

15x^2-39x-32x+120+22=0

We add all the numbers together, and all the variables

15x^2-71x+142=0

a = 15; b = -71; c = +142;
Δ = b2-4ac
Δ = -712-4·15·142
Δ = -3479
Delta is less than zero, so there is no solution for the equation

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