-2x(x+3)+5=-6+20

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Solution for -2x(x+3)+5=-6+20 equation: 



-2x(x+3)+5=-6+20

We move all terms to the left:

-2x(x+3)+5-(-6+20)=0

We add all the numbers together, and all the variables

-2x(x+3)+5-14=0

We add all the numbers together, and all the variables

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

We multiply parentheses

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

a = -2; b = -6; c = -9;
Δ = b2-4ac
Δ = -62-4·(-2)·(-9)
Δ = -36
Delta is less than zero, so there is no solution for the equation

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