Question

factor 18x - 42x. write your answer as a product with a whole number greater than 1.

Explanation:

Step1: Find the GCF of 18 and 42

The factors of 18 are 1, 2, 3, 6, 9, 18. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42. The greatest - common factor (GCF) of 18 and 42 is 6.

Step2: Factor out the GCF

$18x-42x=(6\times3)x-(6\times7)x = 6x(3 - 7)$

Answer:

$6x(3 - 7)$