Complete the square
first isolate x terms
y=(x^2-4x)-9
complete square inside (take 1/2 of square of b )
-4/2=-2, (-2)^2=4
add 4-4 inside
y=(x^2-4x+4-4)-9
complete the square
y=((x-2)^2-4)-9
y=(x-2)^2-4-9
y=(x-2)^2-13
She should pay altogether $30.75
Hopefully I’m correct but if not my sincere apologies
Answer:
use distributive and combine like terms
Answer: Don't know bruh.
Step-by-step explanation:
There isn't a picture or a description Dude
