4x(x+3)=-20

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Solution for 4x(x+3)=-20 equation: 



4x(x+3)=-20

We move all terms to the left:

4x(x+3)-(-20)=0

We add all the numbers together, and all the variables

4x(x+3)+20=0

We multiply parentheses

4x^2+12x+20=0

a = 4; b = 12; c = +20;
Δ = b2-4ac
Δ = 122-4·4·20
Δ = -176
Delta is less than zero, so there is no solution for the equation

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