Hey there!
9(m - 3) + 2(-10 + 7m)
DISTRUBUTE 9 & 2 within the parentheses
= 9(m) + 9(-3) + 2(-10) + 2(7m)
= 9m - 27 - 20 + 14m
COMBINE the LIKE TERMS
= (9m + 14m) + (-27 - 20)
= 23m - 47
Therefore, your answer is: 23m - 47
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)