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14x-4.9x^2=14
We move all terms to the left:
14x-4.9x^2-(14)=0
a = -4.9; b = 14; c = -14;
Δ = b2-4ac
Δ = 142-4·(-4.9)·(-14)
Δ = -78.4
Delta is less than zero, so there is no solution for the equation
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