-20-5y(y=+2)

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Solution for -20-5y(y=+2) equation: 



-20-5y(y=+2)

We move all terms to the left:

-20-5y(y-(+2))=0

We add all the numbers together, and all the variables

-5y(y-2)-20=0

We multiply parentheses

-5y^2+10y-20=0

a = -5; b = 10; c = -20;
Δ = b2-4ac
Δ = 102-4·(-5)·(-20)
Δ = -300
Delta is less than zero, so there is no solution for the equation

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