Respuesta :
First, add the two together.
8x3y2+20x2y4=28x5y6
The GCF is 1, because 5 is a prime number that isn't divisible by anything but 1.
GCF=1
8x3y2+20x2y4=28x5y6
The GCF is 1, because 5 is a prime number that isn't divisible by anything but 1.
GCF=1