Factorise: 16x^5– 144x^3 - Vidyadip

Question

Factorise: $16x^5– 144x^3$

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Answer

$ 16 x^5-144 x^3 $
$ =16 x^3\left(x^2-9\right) $
$ =16 x^3\left\{(x)^2-(3)^2\right\} $
$ =16 x^3(x-3)(x+3) $

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