x-4x2=5

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Solution for x-4x2=5 equation: 



x-4x^2=5

We move all terms to the left:

x-4x^2-(5)=0

a = -4; b = 1; c = -5;
Δ = b2-4ac
Δ = 12-4·(-4)·(-5)
Δ = -79
Delta is less than zero, so there is no solution for the equation

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