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28 January, 21:22

The expression 9+21

factored using

+3
Answers (2)
  1. 28 January, 21:28
    0
    The answer should be 30.
  2. 28 January, 21:32
    0
    Firstly we have to find rhe highest common factor which is in this case 3 so firstly we should multiply the brackets by the HCF 3 then add the two numbers divided by 3 so 3 (3+7)
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