Question:
Factorize each of the following expression:
x5 − 16x3
Solution:
$x^{5}-16 x^{3}$
$=x^{3}\left(x^{2}-16\right)$
$=x^{3}\left(x^{2}-4^{2}\right)$
$=x^{3}(x-4)(x+4)$
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