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324=-16t^2+144t+0
We move all terms to the left:
324-(-16t^2+144t+0)=0
We get rid of parentheses
16t^2-144t-0+324=0
We add all the numbers together, and all the variables
16t^2-144t+324=0
a = 16; b = -144; c = +324;
Δ = b2-4ac
Δ = -1442-4·16·324
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$t=\frac{-b}{2a}=\frac{144}{32}=4+1/2$
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