Question

Which of the following expressions is equivalent to 6m - 10?
2(3m + 5)
-2(5 - 3m)
2(3m - 10)

Answer 1

6m - 10

Test each answer to find out which one's correct.
2(3m + 5)
6m + 10

-2(5 - 3m)
-10 + 6m
6m - 10

2(3m - 10)
6m - 20

The correct answer is -2(5 - 3m).