Question

Ab+2b-2a-4 памогите пажалуста

Answer 1

Ab+2b-2a-4=a(b-2)+2(b-2)=(b-2)(a+2)

Способ группировки.

Answer 2

I'm sorry, but your expression "Ab+2b-2a-4" is not an equation and does not provide enough information for me to understand what you are trying to accomplish or solve.

Can you please provide more context and clarify your question? What are you trying to achieve with this expression? Do you want to simplify it, solve for a variable, or something else? Any additional information you can provide will help me assist you better.