x² + 8x - 20 [-20 = -2 × 10]
x² - 2x + 10x - 20 [8 = -2 + 10]
x(x - 2) + 10(x - 2)
(x + 10) (x - 2)
___________________________________________
A. x - 2
represents a factor
Answer:
question 4.
D (x-10)
Explanation:
x^2 - 8x - 20
(x -10)(x+2)
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