ANSWERS

ANSWERS

ANSWERS

a) (x + 5) (x + 2) = x2 + 5x + 2x + 10 = x2 + 7x + 10

b) (b + 7) (b + 3) = b2 + 7b + 3b + 21 = b2 + 10b + 21

c) (x + 1) (2x + 12) = 2x2 + 2x + 12x + 12 = 2x2 + 14x + 12

d) y (3y + 2) = 3y2 +2y

ANSWERS

ANSWERS

If you would like some extra help you could watch this

short video clip:

https://www.youtube.com/watch?v=v-6MShC82ow

Well done! You have now expanded

single and double brackets. Excellent

work!