Y=-0.2x^2-0.4x-0.6

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Solution for Y=-0.2x^2-0.4x-0.6 equation: 



=-0.2Y^2-0.4Y-0.6

We move all terms to the left:

-(-0.2Y^2-0.4Y-0.6)=0

We get rid of parentheses

0.2Y^2+0.4Y+0.6=0

a = 0.2; b = 0.4; c = +0.6;
Δ = b2-4ac
Δ = 0.42-4·0.2·0.6
Δ = -0.32
Delta is less than zero, so there is no solution for the equation

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