14=-x^2+4x

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Solution for 14=-x^2+4x equation: 



14=-x^2+4x

We move all terms to the left:

14-(-x^2+4x)=0

We get rid of parentheses

x^2-4x+14=0

a = 1; b = -4; c = +14;
Δ = b2-4ac
Δ = -42-4·1·14
Δ = -40
Delta is less than zero, so there is no solution for the equation

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