Question

(5a - 6b)^3 simplify

Answer 1

Step-by-step explanation:

( 5a) ³ - ( 6b) ³ - 90ab ( 5a- 6b)

25a -36b - 90ab ( 5a-6b)

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Answer 2

(5a-6b)³

now using identity

(x-y)³=x³-y³-3(xy)(x-y)

(5a-6b)³=(5a)³-(6b)³-3(5a*6b)(5a-6b)

=125a³-216b³-45a²b+54ab² is the answer