x2-5x+9=0.

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Solution for x2-5x+9=0. equation: 



x2-5x+9=0.

We add all the numbers together, and all the variables

x^2-5x+9=0

a = 1; b = -5; c = +9;
Δ = b2-4ac
Δ = -52-4·1·9
Δ = -11
Delta is less than zero, so there is no solution for the equation

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