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-3x^2+4x-5x=2
We move all terms to the left:
-3x^2+4x-5x-(2)=0
We add all the numbers together, and all the variables
-3x^2-1x-2=0
a = -3; b = -1; c = -2;
Δ = b2-4ac
Δ = -12-4·(-3)·(-2)
Δ = -23
Delta is less than zero, so there is no solution for the equation
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