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3=4.9t^2+3.5t+10
We move all terms to the left:
3-(4.9t^2+3.5t+10)=0
We get rid of parentheses
-4.9t^2-3.5t-10+3=0
We add all the numbers together, and all the variables
-4.9t^2-3.5t-7=0
a = -4.9; b = -3.5; c = -7;
Δ = b2-4ac
Δ = -3.52-4·(-4.9)·(-7)
Δ = -124.95
Delta is less than zero, so there is no solution for the equation
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