# How do you solve x^2 + 2x = 0?

Jul 8, 2016

$x = - 2 \mathmr{and} x = 0$

#### Explanation:

Although there are only 2 terms, the equation is still a quadratic.
Always check to see if it factorises. There is a common factor.

$x \left(x + 2\right) = 0$

Either factor can be 0.

$x + 2 = 0 \text{ or } x = 0$

$x = - 2 \mathmr{and} x = 0$