2-y(y-3)=30

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Solution for 2-y(y-3)=30 equation: 



2-y(y-3)=30

We move all terms to the left:

2-y(y-3)-(30)=0

We add all the numbers together, and all the variables

-y(y-3)-28=0

We multiply parentheses

-y^2+3y-28=0

We add all the numbers together, and all the variables

-1y^2+3y-28=0

a = -1; b = 3; c = -28;
Δ = b2-4ac
Δ = 32-4·(-1)·(-28)
Δ = -103
Delta is less than zero, so there is no solution for the equation

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