Answer:
a) 2a+6 b) 16y-8 c) 24x-12 d) 16y-8 e) 15x+20 f) 21x-35
g)28y+8 h)5a-5b i) 4a+2b j) 21x+7y k) 3x+6y l) 18x+12
Step-by-step explanation:
To multiply out brackets, you multiply the values within the bracket by the one outside one at a time.
For example, for the first one, you would do 2*a, which is 2a, then 2*3, which is 6. Since the 3 was positive, the answer would be 2a+6.
