Question

* (m+ m²:3-m ) : m+3:m-3=​

Answer 1

Вот ответ
)(()()()()()()

Answer 2

It looks like you've provided a mathematical expression, but the notation is a bit unclear. If you could provide more information or clarify the expression, I'd be happy to help you solve it. Specifically, it would be helpful to know what operations are represented by the colons and how the terms are grouped. For example, are the colons meant to represent division or some other operation?