125=20x-x^2

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Solution for 125=20x-x^2 equation: 



125=20x-x^2

We move all terms to the left:

125-(20x-x^2)=0

We get rid of parentheses

x^2-20x+125=0

a = 1; b = -20; c = +125;
Δ = b2-4ac
Δ = -202-4·1·125
Δ = -100
Delta is less than zero, so there is no solution for the equation

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