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1. The expression x³+3x² is a cubic unit representation of the prism’s volume.

   What is right rectangular prism?

   Having 6 faces, 12 edges, and 8 vertices, a right rectangular prism is a three-dimensional object. Angles between the base and sides are right angles in a right rectangular prism. Rectangles make up each of the six faces.

   We have provided that to:

   In a right rectangular prism, the height is three units more than the base’s length.

   The square base has edges that are x units long.

   How much volume does a rectangular prism have?

   Volume of the rectangular prism = width × length × height

   V =  W × L × H   ………………..(1)

   We’ve indicated that the

   bigger by three than the base’s length, h

   and  the length of the base is x:

   Hence,

                  H = X +3

             Length of the base = X

              Width = X

   Adding the values l h and w to the formula (1) yields,

   V = W × L × H

   = X × X × (X+3)

   = (X²) × (X+3)

   = X³ + 3X³

                

   Consequently, the phrase

                  X³ + 3X³

   represents, in cubic units, the prism’s volume.

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