Question

Write the following cubes in expanded form (2a-3b)³​

Answer 1

Step-by-step explanation:

(2a - 3b)³

We know that,

                       (a - b)³ = a³ - 3a²b + 3ab² - b³

(2a - 3b)³ = (2a)³ - 3.(2a)².(3b) + 3.(2a).(3b)² - (3b)³

               ⇒ 8a³ - 36a²b + 54ab² - 27b³

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Answer 2

Answer:

8a³ - 36a²b + 54ab² - 27b³

Step-by-step explanation: