Example 112

$\;\;\;(2p^{6}q^{2} + 1)(2p^{6}q^{2} - 1)$

$=(A + B)( A - B) \text{ , where } A = 2p^{6}q^{2} \text{ and } B = 1 $

$=A^2-B^2$

$=(2p^{6}q^{2})^2 - (1)^2 $

$=4p^{12}q^{4} - 1 $