Question

The side of a cube is represented by x+1.Find in terms of x, the volume of the cube

Answer 1

Answer:

$volume \: of \: cube \: = {side}^{3} \\ = {(x + 1)}^{3} \\ = {x}^{3} + 3 {x}^{2} \times 1 + 3x \times {1}^{2} + {1}^{3} \\ = {x}^{3} + 3 {x}^{2} + 3x + 1$