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4 October, 13:43

Reuve

What is the product?

(5r - 4) (R - 6r + 4)

5r3 - 342 + 44r - 16

583 - 4p2 + 14r - 16

53 - 6r - 16

5r3 + 10r - 16

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Answers (1)
  1. 4 October, 16:30
    0
    Choice A

    Step-by-step explanation:

    (5r - 4) (r² - 6r + 4)

    distributive property of multiplication.

    5r (r² - 6r + 4) - 4 (r² - 6r + 4)

    5r³ - 30r² + 20r - 4r² + 24r - 16

    group like terms and simplify.

    5r³ - 30r² - 4r² + 20r + 24r - 16

    5r³ - 34r² + 44r - 16

    Choice A.
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