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22 July, 22:45

Factor completely: 21a+27

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Answers (1)
  1. 22 July, 23:52
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    3 (7a + 9)

    Step-by-step explanation:

    21a + 27

    3 (7a + 9)

    When you expand

    3 x 7a + 3 x 9

    21a + 27
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