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2x*x-5x+18=0
We add all the numbers together, and all the variables
-5x+2x*x+18=0
Wy multiply elements
2x^2-5x+18=0
a = 2; b = -5; c = +18;
Δ = b2-4ac
Δ = -52-4·2·18
Δ = -119
Delta is less than zero, so there is no solution for the equation
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