QUESTION 1
The given expression is

We collect LCM to get,

We expand bracket to get,

We simplify to get,

Therefore

QUESTION 2
The given expression is

We collect LCM to get,

We expand bracket to get,

We simplify to get,

Therefore

QUESTION 3
The given expression is

We collect LCM to get,

We expand bracket to get,

We simplify to get,

Therefore

QUESTION 4
The given expression is

We collect LCM to get,

We expand bracket to get,

We simplify to get,

Therefore
