Answer the mathmatics question below, and please give me an accurate answer. Thank you!

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

How do i put 3(x+7) in distributive property

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?