Y=-x^2-5x-12

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Solution for Y=-x^2-5x-12 equation: 



=-Y^2-5Y-12

We move all terms to the left:

-(-Y^2-5Y-12)=0

We get rid of parentheses

Y^2+5Y+12=0

a = 1; b = 5; c = +12;
Δ = b2-4ac
Δ = 52-4·1·12
Δ = -23
Delta is less than zero, so there is no solution for the equation

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