B is the answer
(3x + 25y)(3x − 25y)
Answer:
(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)
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