Respuesta :

Answer:

Step-by-step explanation:

Area of rectangle = length * width

Area of rectangle = 55x⁶ + 22x⁴

                             = 5*11*x⁶ + 2 *11*x⁴

                             = 11x⁴*(5x² + 2)

width = 11x⁴

So, length = 5x² + 2