1) 18x^2y^3 = 2 9 x^2 y^3 = (2 3) (3 3) x^2 y^3 = 6 3 3 x^2 y^3 = 18 3 x^2 * y^3
2) 18x^2y^3 = 6 3 x^2 * y^3
3) 18x^2y^3 = (6x) * (3y^3)
1) 18x^2y^3 = 2 9 x^2 y^3 = (2 3) (3 3) x^2 y^3 = 6 3 3 x^2 y^3 = 18 3 x^2 * y^3
2) 18x^2y^3 = 6 3 x^2 * y^3
3) 18x^2y^3 = (6x) * (3y^3)