Category: Mathematics | Last updated: 2026-09-17

Factorize: x² - 9

A) (x-3)(x-3)
B) (x+3)(x-3)
C) (x+9)(x-1)
D) (x-1)(x+9)

Explanation

Difference of squares: a²-b² = (a+b)(a-b). x²-9 = (x+3)(x-3).

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