Answer:
5x−4y
Step-by-step explanation:
:D
notice, the denominator for each fraction is the same, thus the LCD is just 3.

QUESTION 1
The given function is

We simplify to get;

This function is equal to zero when 

QUESTION 2
The given function is
We factor to get;
This function equals zero when


QUESTION 3
The given function is

We factor to get,


The function equals zero when 



Hence the equation has no real roots.
The complex roots are
or 
Answer:
for part b the answer is 90 degrees
Step-by-step explanation:
2 is adjacent from 5 so they are the same degree number