Answer:
[tex]\frac{1}{ab^{2} }[/tex] (a³ - 6b)
Step-by-step explanation:
[tex]\frac{-6}{ab} + \frac{a^{2} }{b^{2} }[/tex]
= [tex]\frac{-6b + a^{3} }{ab^{2} }[/tex]
= [tex]\frac{1}{ab^{2} }[/tex] (a³ - 6b)
