Question

Factor 18x–81.
Write your answer as a product with a whole number greater than 1

Answer 1

3(6x-27)

Explanation:

divide both by 3, put the 3 on the outside of the parentheses and put them in order in which they appear.

Answer 2

9(2x - 9).

Explanation:

The greatest Common factor of 18 and 81 is 9, so

the answer is 9(2x - 9).