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10.26=10x-4.9x^2
We move all terms to the left:
10.26-(10x-4.9x^2)=0
We get rid of parentheses
4.9x^2-10x+10.26=0
a = 4.9; b = -10; c = +10.26;
Δ = b2-4ac
Δ = -102-4·4.9·10.26
Δ = -101.096
Delta is less than zero, so there is no solution for the equation
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