Factor completely 4x3 + 8x2 − 25x − 50.

(4x2 − 25)(x + 2)
(2x − 2)(2x + 2)(x + 5)
(2x − 5)(2x + 5)(x + 2)
(2x − 5)(2x + 5)(x − 2)

2 answers

please answer it's urgent
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4x^3 + 8x^2 - 25x - 50
factor by grouping.
4x^2 (x+2) - 25(x+2)
(4x^2-25)(x+2)
(2x-5)(2x+5)(x+2)