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Answer:
Hello,
Answer A StartFraction x cubed + 2 x squared Over 3 EndFraction cm3
Step-by-step explanation:
the third of the sum of the cube of x and double of the square of x ( cm³)
check the picture below.
so as you can see, the box is simply 6 rectangles stacked up to each other at the edges.
so we can simply get the area of each rectangle and sum them up and that's the area of the rectangular prism.
