Question

What are two different way of factoring -3x-9? Select all that apply

Answer 1

Options:

A. –3(x + 3)

B. 3(x + 3)

C. 3(–x – 3)

D. –3(x – 3)

Answer:

A and C

Explanation:

Given

`-3x - 9`

Required

Factorize

The options are not given; So, I'll answer on a general term

`-3x - 9`

Express -9 as -3 * 3

`-3x - 9 = -3x - 3 * 3`

Then factorize 3 out of the expression as:

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

Another way is to factor -3 out of the expression as:

`-3x - 9 = -3x - 3 * 3`

`-3x - 9 = -3(x + 3)`