A rectangle has an area of 30x² + 6x⁶ and a length of 6x². What is the width of the rectangle?
a. 6x³
b. 6x⁴
c. 30x⁴
d. 5x⁴ + 6x⁶
a. 6x³
b. 6x⁴
c. 30x⁴
d. 5x⁴ + 6x⁶