Express the sum of 42 +105 as a product of the greatest common factor

asked Oct 6, 2019 63.2k views

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1 vote

42 = 2 · 3 · 7

105 = 5 · 3 · 7

42 + 105 = 21 · 2 + 21 · 5 = 21 · (2 + 5)

Ryan Gray answered Oct 11, 2019

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