Which statement abou e greatest common factor of the two addends of 35x2 14x is true x is the GCF because it includes all the common factors of both 35x2 and 14x 7x2 is the GCF because it is a factor of both 35x2 and 14x 70x is the GCF because 14 and 35 are both factors of 70 and x and x are both factors of x 7 is the GCF because it is a factor of both 35x and 14x C