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1 December, 09:53

18. What is the product?

(2x-1) (X+4)

A. 2X^2-4

B. 2X^2+4

C. 2X^2+7X-4

D. 2X^2-7X-4

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Answers (1)
  1. 1 December, 10:21
    0
    C. 2x^2 + 7x - 4.

    Step-by-step explanation:

    (2x - 1) (x + 4)

    = 2x (x + 4) - 1 (x + 4)

    = 2x^2 + 8x - x - 4

    = 2x^2 + 7x - 4.
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