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48=-16t^2+64t-48
We move all terms to the left:
48-(-16t^2+64t-48)=0
We get rid of parentheses
16t^2-64t+48+48=0
We add all the numbers together, and all the variables
16t^2-64t+96=0
a = 16; b = -64; c = +96;
Δ = b2-4ac
Δ = -642-4·16·96
Δ = -2048
Delta is less than zero, so there is no solution for the equation
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