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-5x^2-3x-6=17
We move all terms to the left:
-5x^2-3x-6-(17)=0
We add all the numbers together, and all the variables
-5x^2-3x-23=0
a = -5; b = -3; c = -23;
Δ = b2-4ac
Δ = -32-4·(-5)·(-23)
Δ = -451
Delta is less than zero, so there is no solution for the equation
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