4x(-3x-8)=8(-x+9)

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Solution for 4x(-3x-8)=8(-x+9) equation: 



4x(-3x-8)=8(-x+9)

We move all terms to the left:

4x(-3x-8)-(8(-x+9))=0

We add all the numbers together, and all the variables

4x(-3x-8)-(8(-1x+9))=0

We multiply parentheses

-12x^2-32x-(8(-1x+9))=0



We calculate terms in parentheses: -(8(-1x+9)), so:

8(-1x+9)

We multiply parentheses

-8x+72

Back to the equation:

-(-8x+72)



We get rid of parentheses

-12x^2-32x+8x-72=0

We add all the numbers together, and all the variables

-12x^2-24x-72=0

a = -12; b = -24; c = -72;
Δ = b2-4ac
Δ = -242-4·(-12)·(-72)
Δ = -2880
Delta is less than zero, so there is no solution for the equation

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