Multiply through the 3 of the first bracket to get 3m +12. Then multiply out the second bracket by -2 to get -8m -2.
Write it out in a line: 3m + 12 - 8m -2
Simplify: -5m +10
Divide by -5 again to simplify further: m - 2
13114 Views
Internet Safety
Payment Security
Cyber
Essentials