Y=-400x^2

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Solution for Y=-400x^2 equation: 



=-400Y^2

We move all terms to the left:

-(-400Y^2)=0

We get rid of parentheses

400Y^2=0

a = 400; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·400·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$Y=\frac{-b}{2a}=\frac{0}{800}=0$

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