Respuesta :

Answer:

question 4.

D (x-10)

Step-by-step explanation:

question 4.

x^2 - 8x - 20

(x -10)(x+2)

x² + 8x - 20 [-20 = -2 × 10]

x² - 2x + 10x - 20 [8 = -2 + 10]

x(x - 2) + 10(x - 2)

(x + 10) (x - 2)

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A. x - 2

represents a factor