4x(x-5)=-36

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Solution for 4x(x-5)=-36 equation: 



4x(x-5)=-36

We move all terms to the left:

4x(x-5)-(-36)=0

We add all the numbers together, and all the variables

4x(x-5)+36=0

We multiply parentheses

4x^2-20x+36=0

a = 4; b = -20; c = +36;
Δ = b2-4ac
Δ = -202-4·4·36
Δ = -176
Delta is less than zero, so there is no solution for the equation

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