Answer:
or 
Step-by-step explanation:
Given

Required
Find the possible values fo x

Square both sides


Equate to 0

Expand

Factorize:


Split:
or 
or 
or 
Answer: the numbers were negative so he needed to add the positive numbers to that equation (I think sorry if I’m wrong)
Step-by-step explanation:
Answer:
The total volume of the pieces of fruit in the can is 
Step-by-step explanation:
step 1
Find the volume of the cylindrical can
The volume of the can is equal to

where
B is the area of the base of the can
H is the height of the can
we have


substitute

step 2
Find the volume of the pieces of fruit in the can
The volume of the pieces of fruit in the can is equal to subtract the volume of syrup from the volume of the can
