Question

A)9a-15b b)3m+mn ответ​

Answer 1

Если надо привести к множителям, то вот:

a)

$9a-15b=3(3a-5b)$

b)

$3m+mn=m(3+n)$

Answer 2

It seems like you've provided two expressions:

A) 9a - 15b B) 3m + mn

If you're looking for something specific related to these expressions, please provide more context or clarify your question, and I'll be happy to assist you further. Are you looking to simplify, factor, solve for variables, or perform any specific operation on these expressions? Please let me know how I can help!