80=-4.9t^2+10t+10

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Solution for 80=-4.9t^2+10t+10 equation: 



80=-4.9t^2+10t+10

We move all terms to the left:

80-(-4.9t^2+10t+10)=0

We get rid of parentheses

4.9t^2-10t-10+80=0

We add all the numbers together, and all the variables

4.9t^2-10t+70=0

a = 4.9; b = -10; c = +70;
Δ = b2-4ac
Δ = -102-4·4.9·70
Δ = -1272
Delta is less than zero, so there is no solution for the equation

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