Common factors of the first two terms in the expression 5xy + 4ax + 6pa + 8px are:
x, y, a
5, x, y, 4, a
x
y, a
First two terms are 5xy and 4ax 5xy = 5×x×y 4ax = 4×a×x So, the common factor is x.
What are the common factors of 3x3y, 5xy2 and 15xy ?