Question

Factor completely 169x2 − 64.

Answer 1

(13x - 8)(13x + 8)

Explanation:

169x² - 64 ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b), thus

169x² - 64

= (13x)² - 8²

= (13x - 8)(13x + 8)

Answer 2

Answer: (13x+8)(13x-8) is the answer