Multiplying Polynomials and Simplifying Expressions
Question 25 • 26MATH_Recovery_Alg1B22
Factor out the common factor.
Answer
A
2x4 + 5x3 – 8x –20
B
(x3 + 4)(–2x – 5)
C
(x3 – 4)(2x + 5)
D
(x3 + 4)(2x + 5)
Explanation
Group the terms of 2x⁴ + 5x³ − 8x − 20: x³(2x + 5) − 4(2x + 5). The common factor is (2x + 5), so factoring it out gives (x³ − 4)(2x + 5), which is choice C.
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