The equation x^2+x^2+ =0 is not a Quadratic Equation, because?

x

^{3}+x^{2}+x=0 is not a quadratic equation because it has an x^{3}, this makes it a cubic equation. You can factor out an x to get x(x^{2}+x+1)=0, giving you x times a quadratic equation.
## Comments