Q10 of 274 Page 64

Factorize:

x – 64x3

We have,



= x(1 – 64x2)


We can also write the expression as:


= x[(1)2 – (8x)2]


Now,


Using identity: a2 – b2 = (a – b)(a + b)



Hence,


The given expression can be factorized as:


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