Answer:

1. 2xy

2. 36a^8

Step-by-step explanation:

1. 6x^3y^2 - 10xy^3 + 18x^2y

= 6xxxyy - 10xyy^2 + 18xxy

= 3 ∙ 2xxxyy + 5 ∙ 2xyy^2 + 9 ∙ 2xxy

= 2xy(3x^2y - 5y^2 + 9x