Question

@triciaal
d) 27x^3y^4 -45xy^3 +36x^2y^2

Answer 1

look at the numbers 27, 45 and 36 find common factors
look at x^3, x, and x^2
look at y^4, y^3 and y^2
notice each of the 3 terms have number x and y so common factor will be (number*x*y)