Factorize each of the following expressions:75a3b2 - 108ab4

1.	Factorize each of the following expressions:75a3b2 - 108ab4
Answer» 3ab² (25a² – 36b²) = 3ab² [(5a)² – (6b)²] = 3ab² (5a + 6b) (5a – 6b)

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