0.5x-x(x-20)=180

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Solution for 0.5x-x(x-20)=180 equation: 



0.5x-x(x-20)=180

We move all terms to the left:

0.5x-x(x-20)-(180)=0

We multiply parentheses

-x^2+0.5x+20x-180=0

We add all the numbers together, and all the variables

-1x^2+20.5x-180=0

a = -1; b = 20.5; c = -180;
Δ = b2-4ac
Δ = 20.52-4·(-1)·(-180)
Δ = -299.75
Delta is less than zero, so there is no solution for the equation

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