Answer:
HOPE THIS HELPS
Step-by-step explanation:
The area = length * Width.
We know the width = X+6 inches and Area = x^3+3x^2–18x.
This problem can be solved just by dividing the area by width and we get a quotient as X^2–3x.
So the length is x^2–3x inches.
I can not be B that is for sure It is C hoped that helped
7.3in have a nice dayyyyyy
Step-by-step explanation:
it is negative 20 I'm pre sure