10=4.9x-4.9x^2

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Solution for 10=4.9x-4.9x^2 equation: 



10=4.9x-4.9x^2

We move all terms to the left:

10-(4.9x-4.9x^2)=0

We get rid of parentheses

4.9x^2-4.9x+10=0

a = 4.9; b = -4.9; c = +10;
Δ = b2-4ac
Δ = -4.92-4·4.9·10
Δ = -171.99
Delta is less than zero, so there is no solution for the equation

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