Question

factorise: (3a-1)^2-6a+2, Ans= 3(3a-1) (a-3)
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Answer 1

First the simplification would be

(3a-1)²-6a+2

9a²-6a+1-6a+2

9a²-12a+3

9a²-9a-3a+3

9a(a-1)-3(a-1)

(a-1)(9a-3)

(a-1) 3(3a-1)

Hope this helps you friend