Question

2. Factories 125a3 - 27b3 + 75a2 b - 45ab2​

Answer 1

Step-by-step explanation:

using (a-b)³= a³-b³-3a²b+3ab²

so, a³=125a³ b³=27b³

a=5a b=3b

so 125a³-27b³-75a²b+45ab² = (5a-3b)³

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Answer 2

Answer:

272 ab answer please follow me