[tex] \sqrt{ {( - 2)}^{6} \times {( - 3)}^{4} \times {5}^{2} } - \sqrt{ {2}^{2} \times {( - 3)}^{2} \times {( - 5)}^{2} } [/tex]
[tex] = \sqrt{64 \times 81 \times 25} - \sqrt{4 \times 9 \times 25} [/tex]
[tex] = \sqrt{64} \times \sqrt{81} \times \sqrt{25} - \sqrt{4} \times \sqrt{9} \times \sqrt{25} [/tex]
[tex] = 8 \times 9 \times 5 - 2 \times 3 \times 5[/tex]
[tex] = 72 \times 5 - 6 \times 5[/tex]
[tex] = 5 \times (72 - 6)[/tex]
[tex] = 5 \times 66[/tex]
[tex] = 330[/tex]
