Question

(4a-3) cube -(4a+3) cube
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Answer 1

Answer:

Step-by-step explanation:

4a³ - 3a²b - 3ab² +  b³

Plz mark brainiest

Answer 2

Answer:

Step-by-step explanation:(a-b)³=a³-b³-3ab(a+b) &(a+b)³=a³+b³+3ab(a+b) therefore the question is (4a-b)³-(4a+b)³=[(4a)³-b³-12ab(4a-b)]-[(4a)³+b³+12ab(4a+b)

=64a³-b³-12ab(4a-b)-64a³-b³-12ab(4a+b)

= -48a²b+12ab²-48a²b-12ab²

= -96a²b is the answer,Hope it is useful