Q9 of 111 Page 5

Factorize each of the following expressions:

32a2+108b3

Given,


32a3+108b3,


= 4 (8a3+27b3)


= 4 { (2a)3 + (3b)3 }


= 4 (2a + 3b) (4a2 +9b2 – 6ab)


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