-5x+12-7x=-3x(5x+8)

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Solution for -5x+12-7x=-3x(5x+8) equation: 



-5x+12-7x=-3x(5x+8)

We move all terms to the left:

-5x+12-7x-(-3x(5x+8))=0

We add all the numbers together, and all the variables

-12x-(-3x(5x+8))+12=0



We calculate terms in parentheses: -(-3x(5x+8)), so:

-3x(5x+8)

We multiply parentheses

-15x^2-24x

Back to the equation:

-(-15x^2-24x)



We get rid of parentheses

15x^2+24x-12x+12=0

We add all the numbers together, and all the variables

15x^2+12x+12=0

a = 15; b = 12; c = +12;
Δ = b2-4ac
Δ = 122-4·15·12
Δ = -576
Delta is less than zero, so there is no solution for the equation

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