Question

a²(b+c) - (b+c)³ please answer its urgent ​

Answer 1

Answer:

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Answer 2

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a²(b+c) - (b+c)³

second bracket has a identity of (a+b)³:

(a+b)³ =a³ +b³ +3a²b +3ab²

now on opening brakets:

=a²b+a²c -( b³ + c³ + 3b²c +3bc²)

= a²b+a²c -b³ - c³ - 3b²c -3bc²