milesisaway milesisaway

03-04-2017
Mathematics

contestada

Determine the factors of x2 - 6x - 8.

Prime

(x + 4)(x - 2)

(x - 4)(x + 2)

(x + 8)(x - 1)

Respuesta :

Vesper02 Vesper02

03-04-2017

Cannot be factored

x² - 6x - 8

x² breaks down into x and x
8 breaks down into 1 and 8, 2 and 4, 4 and 2, or 8 and 1.

(x+4)(x-2) = x² + 2x - 8
(x-4)(x+2) = x² - 2x - 8
(x-4)(x-2) = x² - 6x + 8
(x+4)(x+2) = x² + 6x + 8

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