What is a difference of squares with a factor of (3x + 7) ? Question What is a difference of squares with a factor of (3x + 7) ? in progress 0 Math Reagan 4 days 2021-10-10T02:48:55+00:00 2021-10-10T02:48:55+00:00 1 Answer 0

## Answers ( )

Answer:9x² – 49

Step-by-step explanation:A difference of squares factors in general as

a² – b² = (a + b)(a – b)

Given (3x + 7) with a = 3x and b = 7

Then the other factor is (3x – 7)

(3x + 7)(3x – 7)

= (3x)² – 7²

= 9x² – 49