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9 December, 04:16

What is the factor expression of 63+81

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  1. 9 December, 04:38
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    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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