Multiplying Polynomials and Simplifying Expressions
Question 15 • 26MATH_Recovery_Alg1B22
What is the factored form of x6 – 9?
Answer
A
(x + 3)(x – 3)
B
(x5 + 3)(x – 3)
C
(x3 + 3)(x2 – 3)
D
(x3 + 3)(x3 – 3)
Explanation
Rewrite x⁶ − 9 as (x³)² − 3². Using the difference-of-squares rule, a² − b² = (a + b)(a − b), the factored form is (x³ + 3)(x³ − 3), which is choice D.
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