The quadratic equation $x^{2}+x+1=0$ has $\qquad$ roots.
Explanation
The roots of a quadratic equation $ax^2 + bx + c = 0$ can be found using the discriminant $D = b^2 - 4ac$. If $D < 0$, then the roots are not real. In this case, the quadratic equation $x^2 + x + 1 = 0$ has a negative discriminant, so the roots are not real.
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