Answer:
Step-by-step explanation:
[tex]6(x^4+6xy^3-18)^3[/tex] =
[tex]6x^12+108x^9y^3 - 324x^8 + 648x^6y^6 - 3888x^5y^3 = 5832x^4 + 1296x^3y^9 - 11664x^2y^6 + 34992xy^3 - 34992[/tex]
If you want all the steps then use this: https://www.symbolab.com/solver/second-derivative-calculator/6%5Cleft(x%5E%7B4%7D%2B6xy%5E%7B3%7D-18%5Cright)%5E%7B3%7D?or=input
