256=112+96t-16t2

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Solution for 256=112+96t-16t2 equation: 



256=112+96t-16t^2

We move all terms to the left:

256-(112+96t-16t^2)=0

We get rid of parentheses

16t^2-96t-112+256=0

We add all the numbers together, and all the variables

16t^2-96t+144=0

a = 16; b = -96; c = +144;
Δ = b2-4ac
Δ = -962-4·16·144
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$t=\frac{-b}{2a}=\frac{96}{32}=3$

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