1. Mathsercise-C
Ready?
Expressions 2
Here we go!

2. Remember 1d is written as d
Simplify the expressions……
i) x
Question 2
+ y
+ x
+ y
+ x
3x + 2y
ii) 4d
+ 5e
– 3d
– 2e
Answer
Remember 1d is written as d
d + 3e 1
Expressions 2

3. Multiply out the brackets first!
Expand and simplify……
Question 3
2(4a + 2) – 3(2a – 4) 8a
+ 4
– 6a
+ 12
Answer
2a + 16
Notice that this sign has changed to a +, because of the – outside of the brackets 2
Expressions 2

4. 3 Simplify…… i) r2 + r2 + r2 3r2 ii) 3q2 - q2 2q2 Question 4
Remember, this means 1q2!
Answer
ii) 3q2 - q2
2q2 3
Expressions 2

5. Notice how the powers have changed!
Simplify……
Notice how the powers have changed!
i) 3a2b x 7ab3
Start
21a3b4
ii) (x + 2)
ii) (x + 2)2
(x + 2)
Answer
(x + 2)
(x + 2) 4
Expressions 2