4(-2y-1)4y=20

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Solution for 4(-2y-1)4y=20 equation: 



4(-2y-1)4y=20

We move all terms to the left:

4(-2y-1)4y-(20)=0

We multiply parentheses

-32y^2-16y-20=0

a = -32; b = -16; c = -20;
Δ = b2-4ac
Δ = -162-4·(-32)·(-20)
Δ = -2304
Delta is less than zero, so there is no solution for the equation

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