Answer:
The solutions are 
Step-by-step explanation:
To factor this cubic polynomial
you must:
- Group the polynomial into two sections

- Factor out -9 from


- Factor out
from 


- Factor out common term



- Factor




- Using the Zero Factor Theorem: = 0 if and only if = 0 or = 0

The solutions are

Answer:
49.5 dollars first part and y=12+1.25x second part
Step-by-step explanation:
What is the number down their?
The remaining co-ords are (1,2) and (5,4).