12ax+18ay-12bx-18by

Answer 1

Simplifying the expression:

12ax + 18ay - 12bx - 18by
= 6ax + 9ay - 6bx - 9by
= 3(2ax + 3ay - 2bx - 3by)
= 3(2a(x + 1.5y) - 2b(x + 1.5y))
= 3(2a - 2b)(x + 1.5y)