0=-8+4t-4.9t^2

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Solution for 0=-8+4t-4.9t^2 equation: 



0=-8+4t-4.9t^2

We move all terms to the left:

0-(-8+4t-4.9t^2)=0

We add all the numbers together, and all the variables

-(-8+4t-4.9t^2)=0

We get rid of parentheses

4.9t^2-4t+8=0

a = 4.9; b = -4; c = +8;
Δ = b2-4ac
Δ = -42-4·4.9·8
Δ = -140.8
Delta is less than zero, so there is no solution for the equation

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