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-b2-10b-26=0
We add all the numbers together, and all the variables
-1b^2-10b-26=0
a = -1; b = -10; c = -26;
Δ = b2-4ac
Δ = -102-4·(-1)·(-26)
Δ = -4
Delta is less than zero, so there is no solution for the equation
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