E(x)=x2-x+3

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Solution for E(x)=x2-x+3 equation: 



(E)=E2-E+3

We move all terms to the left:

(E)-(E2-E+3)=0

We add all the numbers together, and all the variables

-(+E^2-1E+3)+E=0

We get rid of parentheses

-E^2+1E+E-3=0

We add all the numbers together, and all the variables

-1E^2+2E-3=0

a = -1; b = 2; c = -3;
Δ = b2-4ac
Δ = 22-4·(-1)·(-3)
Δ = -8
Delta is less than zero, so there is no solution for the equation

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