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23 June, 07:01

Factor the expression below x^2 - 81

A. (x + 9) (x - 9)

B. (x - 9) (x - 9)

C. (x + 27) (x - 3)

D. (x - 27) (x - 3)

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Answers (2)
  1. 23 June, 07:54
    0
    It's actually A. (x + 9) (x - 9)
  2. 23 June, 10:26
    0
    (B)

    Step-by-step explanation:

    The reason is because you have you have 9x9 and it you - the x then that leaves you with 2x because there is 2x in the problem
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