stormi4125 stormi4125

01-02-2021
Mathematics

contestada

Factor the following polynomial completely.

5x ^3+ 2x^2 – 45x –18

Respuesta :

Markoxmara Markoxmara

01-02-2021

Answer:

(5x+2)(x-3)(x+3)

Step-by-step explanation:

factor x²

5x ³+ 2x² – 45x –18

x²(5x+2)-45x-18

factor 5x+2

(5x+2)(x²-9)

factor using the method of a²-b²=(a-b)(a+b)

(5x+2)(x-3)(x+3)

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