Comepare and contrast expanding and simplifying algebraic expressions with simplifying numeric expressions . For example, compare simplifying 3(x-2)+(x-1)with3(5-2)+(5-1)

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x