Y=-4x^2+7x-5

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Solution for Y=-4x^2+7x-5 equation: 



=-4Y^2+7Y-5

We move all terms to the left:

-(-4Y^2+7Y-5)=0

We get rid of parentheses

4Y^2-7Y+5=0

a = 4; b = -7; c = +5;
Δ = b2-4ac
Δ = -72-4·4·5
Δ = -31
Delta is less than zero, so there is no solution for the equation

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