-x^2+x-(.4)=0

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Solution for -x^2+x-(.4)=0 equation: 



-x^2+x-(.4)=0

We add all the numbers together, and all the variables

-x^2+x-(0.4)=0

We add all the numbers together, and all the variables

-1x^2+x-0.4=0

a = -1; b = 1; c = -0.4;
Δ = b2-4ac
Δ = 12-4·(-1)·(-0.4)
Δ = -0.6
Delta is less than zero, so there is no solution for the equation

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