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  • 11-08-2016
  • Mathematics
Answered

What is the factor expression of 63+81

Verified Answer :

dasetka
dasetka dasetka
  • 11-08-2016

You can factor these terms by finding their greatest common factor, or GCF. Do this by listing all of their factors.

63: 1, 3, 7, 9, 21, 63
91: 1, 5, 7, 13, 91 

So, their GCF is 7. Now, divide both terms by 7 to get the second group of the factorization.

63 ÷ 7 = 9
91 ÷ 7 = 13

So, the final factorization will be (7)(9 + 13).

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