Simplify each of the following and express the result as a rational number in standard from:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

1

Multiply:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

2

Multiply:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

4

Simplify:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

5

Simplify:

(i) ( * ) + ( * ) – ( * )

(ii)

(iii)

(iv)