Question

6. Simplify

(1) ab(a^2 - b^2) + b^3(a - 2b)​

Answer 1

Answer:

- 2 b^4 + a^3b

Step-by-step explanation:

ab ( a^2 - b^2 ) + b^3 ( a - 2b )​

= ab ( a^2 ) + ab ( - b^2 ) + b^3 ( a ) + b^3 ( - 2b )

= a^3b - a b^3 + a b^3  - 2 b^4

= a^3b - 2 b^4

= - 2 b^4 + a^3b