5x+2x(-2x-7)=15

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Solution for 5x+2x(-2x-7)=15 equation: 



5x+2x(-2x-7)=15

We move all terms to the left:

5x+2x(-2x-7)-(15)=0

We multiply parentheses

-4x^2+5x-14x-15=0

We add all the numbers together, and all the variables

-4x^2-9x-15=0

a = -4; b = -9; c = -15;
Δ = b2-4ac
Δ = -92-4·(-4)·(-15)
Δ = -159
Delta is less than zero, so there is no solution for the equation

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