1. Expand Brackets
January 29, 2015
This means ‘get rid’ of the brackets in cases
like:
3(x + 2)
4(2x + 3)
x(x + 3)
3(x – 2) + 2(x – 3)
(x + 3)(x – 2)
Low C
C
B

2. x(x + 4) + 3(x + 2)
This means x times
(x + 4)
This means 3
times (x + 2)
x X (x + 4) + 3 X (x + 2)

3. x(x + 4) + 3(x + 2)
This means x times
(x + 4)
This means 3
times (x + 2)
x X (x + 4) + 3 X (x + 2)
x X x + x X 4 + 3 X x + 3 X 2
Work
out

4. x(x + 4) + 3(x + 2)
This means x times
(x + 4)
This means 3
times (x + 2)
x X (x + 4) + 3 X (x + 2)
x X x + x X 4 + 3 X x + 3 X 2
x2
+ 4x + 3x + 6 Work
out

5. x(x + 4) + 3(x + 2)
This means x times
(x + 4)
This means 3
times (x + 2)
x X (x + 4) + 3 X (x + 2)
x X x + x X 4 + 3 X x + 3 X 2
x2
+ 4x + 3x + 6
x2
+ 7x + 6 Tidy up
Work
out

6. x(x + 4) + 3(x + 2)
This means x times
(x + 4)
This means 3
times (x + 2)
x X (x + 4) + 3 X (x + 2)
x X x + x X 4 + 3 X x + 3 X 2
x2
+ 4x + 3x + 6
x2
+ 7x + 6 Tidy up
Work
out