Question

Which expression is equivalent to 12(4m−2n+4)?

1.2m−n+2
2.2m−2n+4
3.8m−4n+4
4.8m−4n+8

Answer 1

1. 2m - n + 2

Explanation:

12×4m - 12×2n + 12×4. ( because 12 is multipled by whole bracket)

48m - 24n + 48.

2m - n + 2. (by finding common factor 24)