Question

add 3m*2+8m-4 and 6m*2-m+7

Answer 1

Hey, Here is answer

Answer 2

$3 {m}^{2} + 8m - 4 + (6 {m}^{2} - m + 7) \\ 3 {m}^{2} + 6 {m}^{2} + 8m - m - 4 + 7 \\ 9 {m}^{2} + 7m + 3$
hope it helps u