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16 May, 10:54

Multiply: (x - 4) (x + 5)

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Answers (2)
  1. 16 May, 11:19
    0
    It should equal to X^2+x-20

    By foiling x*x equals x^2

    Then x*5 equals 5x

    Then - 4*x equals - 4x

    Then - 4*5 equals 20 then combine!
  2. 16 May, 11:47
    0
    x2 + x - 20

    Step-by-step explanation:

    multiply the two : x (x+5) - 4 (x+5)
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