Factor completely 4x3 + 8x2 − 25x − 50. (2 points) Select one: a. (4x2 − 25)(x + 2) b. (2x − 2)(2x + 2)(x + 5) c. (2x − 5)(2x + 5)(x + 2) d. (2x − 5)(2x + 5)(x − 2)

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asked Mar 18, 2019 56.1k views

2 Answers

Muzuiget · Answer 1 · 2019-03-23T12:49:03+0000

4x³ + 8x² -25x - 50

4x²(x + 2) -25(x + 2)

= (4x² - 25)(x + 2)

NOTE: 4x² - 25 is the difference of squares

= (2x - 5)(2x + 5)(x + 2)

Answer: C