Question

Which expression is equivalent to -3(2m-1)-n?

6m-n-3

6m-n+3

-6m-n-3

-6m-n+3

Answer 1

 -3(2m-1)-n= - 6m+3-n= - 6m - n +3 
Correct answer is D.

Answer 2

$- 3 \times (2m - 1) = - 6m + 3 \\ - 6m + 3 - n = - 6m - n + 3$