9x-3x(2x+2)=15

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Solution for 9x-3x(2x+2)=15 equation: 



9x-3x(2x+2)=15

We move all terms to the left:

9x-3x(2x+2)-(15)=0

We multiply parentheses

-6x^2+9x-6x-15=0

We add all the numbers together, and all the variables

-6x^2+3x-15=0

a = -6; b = 3; c = -15;
Δ = b2-4ac
Δ = 32-4·(-6)·(-15)
Δ = -351
Delta is less than zero, so there is no solution for the equation

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