Y=(-2)x2-1

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Solution for Y=(-2)x2-1 equation: 



=(-2)Y2-1

We move all terms to the left:

-((-2)Y2-1)=0



We calculate terms in parentheses: -((-2)Y2-1), so:

(-2)Y2-1

We multiply parentheses

-2Y^2-1

Back to the equation:

-(-2Y^2-1)



We get rid of parentheses

2Y^2+1=0

a = 2; b = 0; c = +1;
Δ = b2-4ac
Δ = 02-4·2·1
Δ = -8
Delta is less than zero, so there is no solution for the equation

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