Question

How do you simplify `(2a-3b)-(3a+5b)-a-8b`?

Answer 1

`= -2a -16b`

Explanation:

`(2a -3b) color(red)(-(3a +5b))-a-8b" "larr`multiply out the brackets

`= 2a-3b color(red)(-3a-5b) -a-8b" "larr` collect like terms together

`= 2a-3a-a -3b -5b -8b`

`= -2a -16b`