Question

"Expand the brackets and simplify" (please i need help asap)​

Answer 1

ok, b)

you can times anything inside bracket by 8. so, 8r -40 + 12

You can simplify to 8r - 28.

d)

You can rearrange it to 6a + 12a -12/3 -15/3

= 18a - 27/3