Question

How do you solve `x^3-9x= 0` by factoring?

Answer 1

`x=0 or x = -3 or x =3`

Explanation:

`x^3-9x=0`
`therefore x(x^2-9)=0`
`therefore x(x+3)(x-3)=0`
`therefore x=0 or x = -3 or x =3`