Question

9) Simplify: 4

(a) (0.7x + 0.5y) (0.49x2 – 0.35xy + 0.25y2)

(b) x

2

3

+ y

5

6



x

4

3

+ y

5

3

− x

2

3



. y

5

6



​

Answer 1

The second part of the question is not clear.