(x+5)(x-4)=-180

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Solution for (x+5)(x-4)=-180 equation: 



(x+5)(x-4)=-180

We move all terms to the left:

(x+5)(x-4)-(-180)=0

We add all the numbers together, and all the variables

(x+5)(x-4)+180=0

We multiply parentheses ..

(+x^2-4x+5x-20)+180=0

We get rid of parentheses

x^2-4x+5x-20+180=0

We add all the numbers together, and all the variables

x^2+x+160=0

a = 1; b = 1; c = +160;
Δ = b2-4ac
Δ = 12-4·1·160
Δ = -639
Delta is less than zero, so there is no solution for the equation

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