Question

which expression is equal to -3(2m-1)-n?

Answer 1

Answer:

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

Answer 2

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