60=-90x2+120x

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Solution for 60=-90x2+120x equation: 



60=-90x^2+120x

We move all terms to the left:

60-(-90x^2+120x)=0

We get rid of parentheses

90x^2-120x+60=0

a = 90; b = -120; c = +60;
Δ = b2-4ac
Δ = -1202-4·90·60
Δ = -7200
Delta is less than zero, so there is no solution for the equation

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