Answer:
4x³ + 6x² - 3
Step-by-step explanation:
Divide each term on the numerator by 2x²
[tex]\frac{8x^{5} }{2x^2}[/tex] + [tex]\frac{12x^{4} }{2x^2}[/tex] - [tex]\frac{6x^2}{2x^2}[/tex]
= 4x³ + 6x² - 3