QUESTION 1.
The given fraction is
This implies that,
Cancel the common factors and obtain,
QUESTION 2
The given fraction is
Factor 39 to get,
Cancel out the common factors to get,
QUESTION 3.
The given fraction is
Factor to obtain,
Cancel out the common factors to get
This simplifies to,
QUESTION 4
The given expression is
Cancel the common factors and obtain,
Multiply the first numerator by the second and the first denominator by the second to get,
QUESTION 5
The given expression is
We factor the -42 to get,
Cancel out the common factors and obtain,