Question

If possible, factor 9x2 − 625y2.

Answer 1

B is the answer

(3x + 25y)(3x − 25y)

Answer 2

(3x - 25y)(3x + 25y)

Explanation:

9x² - 625y² ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

Given

9x² - 625y²

= (3x)² - (25y)²

= (3x - 25y)(3x + 25y)