-x^2 + 9 - 3x^2 - 11x + 4
-4x^2 - 11x + 13
Answer:

Step-by-step explanation:
Given

Required:
Simplify
We start by opening the bracket


Collect Like Terms

Hence, the equivalent expression is 
To solve this, do 8 division 6, the answer should be 1.3333...
if you convert that to a fraction, it should be 1 1/3
Answer: X is equal to 8 and Y is equal to 3