-16t^2+64t+336=400

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Solution for -16t^2+64t+336=400 equation: 



-16t^2+64t+336=400

We move all terms to the left:

-16t^2+64t+336-(400)=0

We add all the numbers together, and all the variables

-16t^2+64t-64=0

a = -16; b = 64; c = -64;
Δ = b2-4ac
Δ = 642-4·(-16)·(-64)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$t=\frac{-b}{2a}=\frac{-64}{-32}=+2$

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