Q. 2 E4.7( 19 Votes )

Factorise the following expressions

3a2bc + 6ab2c + 9abc2

Answer :

In the given expression


Check the common factors for all terms;


[3 × a × a × b × c + 2 × 3 × a × b × b × c + 3 × 3 × a × b × c × c]


3 × a × b × c[a + 2 × b + 3 × c]


3abc[a + 2b + 3c]


3a2bc + 6ab2c + 9abc2 = 3abc[a + 2b + 3c]


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