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-x2-5x-24=0
We add all the numbers together, and all the variables
-1x^2-5x-24=0
a = -1; b = -5; c = -24;
Δ = b2-4ac
Δ = -52-4·(-1)·(-24)
Δ = -71
Delta is less than zero, so there is no solution for the equation
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