The answer is 42m+116.
Use the distributive property to multiply 9 * m and 9 * 8 which is 9m +72, and 11 *3m and 11*4 which equals 33m+44.
Add these together and you have 9m +72+33m+44.
Combine like terms to get the final answer: 42m+116
I hope this helps!!