It equals 5/6. If you want to know why, just ask me.
Answer:
P(x) = -5(x² - 12)² + 405
Step-by-step explanation:
P(x) = -5x² + 120x - 315
Factor out -5 from the first two terms
P(x) = -5(x² - 24x) - 315
Complete the square
P(x) = -5(x - 12)² - (-5(-12)²) -315
P(x) = -5(x - 12)² + 720 - 315
P(x) = -5(x - 12)² + 405
Answer: 
Step-by-step explanation:
Given
The dimension of the box is

Space occupied by the box is equal to its volume i.e.

The volume of the box is
.
Answer:
The first equation
Step-by-step explanation: