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2x(2)-5x+10=0
We add all the numbers together, and all the variables
2x^2-5x+10=0
a = 2; b = -5; c = +10;
Δ = b2-4ac
Δ = -52-4·2·10
Δ = -55
Delta is less than zero, so there is no solution for the equation
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