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0=16t^2+20
We move all terms to the left:
0-(16t^2+20)=0
We add all the numbers together, and all the variables
-(16t^2+20)=0
We get rid of parentheses
-16t^2-20=0
a = -16; b = 0; c = -20;
Δ = b2-4ac
Δ = 02-4·(-16)·(-20)
Δ = -1280
Delta is less than zero, so there is no solution for the equation
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