How do you write the sum of the number 49+63 as the product of their GCF and another sum?

1 Answer
Oct 18, 2016

#49+63=7xx(7+9)#

Explanation:

The prime factors of #49# are #7xx7#

and those of #63# are #3xx3xx7#

As only #7# is common, GCF is #7#

and as such #49+63# can be written as

#49+63=7xx7+7xx9=7xx(7+9)#