H=-16t^2+24t-9

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Solution for H=-16t^2+24t-9 equation: 



=-16H^2+24H-9

We move all terms to the left:

-(-16H^2+24H-9)=0

We get rid of parentheses

16H^2-24H+9=0

a = 16; b = -24; c = +9;
Δ = b2-4ac
Δ = -242-4·16·9
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$H=\frac{-b}{2a}=\frac{24}{32}=3/4$

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