# Factorize:(i) x3 - 3x2 + x – 3(ii)63x2y2 - 7(iii) 1 - 6x + 9x2(iv)

(i) x3 - 3x2 + x – 3

By hit and trial method we find that x = 3 is a factor of it

So, on dividing x3 - 3x2 + x – 3 by we get

x3 - 3x2 + x – 3 =

(ii) 63x2y2 - 7

= { Using the identity : }

(iii) 1 - 6x + 9x2

Using the identity :

1 - 6x + 9x2 = (3x - 1)2

(iv)

Using middle term splitting, we get

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