318=-16t^2+72t+221

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Solution for 318=-16t^2+72t+221 equation: 



318=-16t^2+72t+221

We move all terms to the left:

318-(-16t^2+72t+221)=0

We get rid of parentheses

16t^2-72t-221+318=0

We add all the numbers together, and all the variables

16t^2-72t+97=0

a = 16; b = -72; c = +97;
Δ = b2-4ac
Δ = -722-4·16·97
Δ = -1024
Delta is less than zero, so there is no solution for the equation

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