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2x^2=9x-18
We move all terms to the left:
2x^2-(9x-18)=0
We get rid of parentheses
2x^2-9x+18=0
a = 2; b = -9; c = +18;
Δ = b2-4ac
Δ = -92-4·2·18
Δ = -63
Delta is less than zero, so there is no solution for the equation
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