Question

Ab+ac-ab 2mn-3n xy+3x 6x+2x-7x

Answer 1

ac-a(b+b)

n(2m-3)

x(y+3)

x(6+2-7)

Не уверен што правильно

Answer 2

It seems like you've written a series of mathematical expressions and equations, but they are not formatted properly or explained. If you have specific mathematical equations or expressions that you'd like me to help you with, please provide them in a clear and organized manner, and I'll be happy to assist you with your math questions.