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0=16t^2-30t+25
We move all terms to the left:
0-(16t^2-30t+25)=0
We add all the numbers together, and all the variables
-(16t^2-30t+25)=0
We get rid of parentheses
-16t^2+30t-25=0
a = -16; b = 30; c = -25;
Δ = b2-4ac
Δ = 302-4·(-16)·(-25)
Δ = -700
Delta is less than zero, so there is no solution for the equation
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