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9x-4.9x^2=35
We move all terms to the left:
9x-4.9x^2-(35)=0
a = -4.9; b = 9; c = -35;
Δ = b2-4ac
Δ = 92-4·(-4.9)·(-35)
Δ = -605
Delta is less than zero, so there is no solution for the equation
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