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

asked Apr 26, 2018 186k views

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$4x^3 + 8x^2 - 25x - 50= \\ 4x^2(x+2)-25(x+2)= \\ (x+2)(4x^(2) -25)= \\ (x+2)((2x)^2-5^2)= \\ (x+2)(2x-5)(2x+5)$

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