Question

How do you factor `3x^2 -9x=0`?

Answer 1

`3x^2 - 9x = 3x(x - 3)`

Explanation:

Check first for a common factor. In this case it is `3x`.
Divide each term by `3x` and write the 'left-over' from each term in the bracket.

`3x^2 - 9x = 3x(x - 3)`