Which statement about the greatest common factor of 42x2 and 18x is true?
CHECK
It is 126x?, because 42x2 and 18x are each
factors of 126x.
It is 42x, because that is the largest addend
of the two terms.
It is 3x, because that is a common factor of
both 42x2 and 18x.
It is 6x, because there is no greater term
that is the factor of both
42x2 and 18x.