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0=100t^2-15t+5.2
We move all terms to the left:
0-(100t^2-15t+5.2)=0
We add all the numbers together, and all the variables
-(100t^2-15t+5.2)=0
We get rid of parentheses
-100t^2+15t-5.2=0
a = -100; b = 15; c = -5.2;
Δ = b2-4ac
Δ = 152-4·(-100)·(-5.2)
Δ = -1855
Delta is less than zero, so there is no solution for the equation
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