-x2+9x-100=0

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Solution for -x2+9x-100=0 equation: 



-x2+9x-100=0

We add all the numbers together, and all the variables

-1x^2+9x-100=0

a = -1; b = 9; c = -100;
Δ = b2-4ac
Δ = 92-4·(-1)·(-100)
Δ = -319
Delta is less than zero, so there is no solution for the equation

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