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12 July, 13:56

Simplify the expression-3 (b-7)

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Answers (2)
  1. 12 July, 15:43
    0
    Multiply - 3 to each term in the parentheses:

    -3 (b) = - 3b

    -3 (-7) = 21

    These are not like terms, so write them as an expression:

    -3b + 21 or 21 - 3b
  2. 12 July, 17:44
    0
    -3 (b - 7)

    Multiply - 3 into the parenthesis.

    = - 3b + 21.
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