Question

answer in steps.........​

Answer 1

Step-by-step explanation:

-5a²b - 4ab² + a³b³

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Answer 2

Step-by-step explanation:

= (5a^2b - 6ab^2 - 7a^3b^3)

- ( 10a^2b + 8ab^2 - 8a^3b^3 - b^4)

= 5a^2b - 6ab^2 - 7a^3b^3 - 10a^2b - 8ab^2 + 8a^3b^3 + b^4

= - 5a^2b - 14ab^2 + a^3b^3 + b^4