Add up all the sides is one way I think and then try to find the volume like add them all up then divide them by 2
Answer:
Solution Given:
To find the simplest form we need to open bracket
-2x²(3x²-2x-6)
-2x²*3x²-2x²*(-2x) -2x²*(-6)\
is a required answer.
Part b is $638.40
Part c is $1,641.6