Y=-4x2-8x-7

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Solution for Y=-4x2-8x-7 equation: 



=-4Y^2-8Y-7

We move all terms to the left:

-(-4Y^2-8Y-7)=0

We get rid of parentheses

4Y^2+8Y+7=0

a = 4; b = 8; c = +7;
Δ = b2-4ac
Δ = 82-4·4·7
Δ = -48
Delta is less than zero, so there is no solution for the equation

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