expand and simply 9n - 3(2n-1) - 5

Question

please can you work out the answer for me

Answer 1

9n-3 (2n-1)-5=9n-3 (2n)-3 (-1)-5=9n-6n+3-5=3n-2

Answer 2

First, distribute the -3 to the terms in parenthesis.  Then, combine like terms.

 

If you follow these instructions, you will get the answer.