What value should go in the empty boxes to complete the calculation for finding the product of 0.98 * 0.73 both numbers are the same however only in put the number one time in your answer

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