Evaluate
\left(x^{2}-4z^{2}\right)\left(-4\left(xz\right)^{2}+\left(x^{2}+4z^{2}\right)^{2}\right)
Expand
x^{6}-64z^{6}
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x^{6}-2^{6}z^{6}
Expand \left(2z\right)^{6}.
x^{6}-64z^{6}
Calculate 2 to the power of 6 and get 64.
x^{6}-2^{6}z^{6}
Expand \left(2z\right)^{6}.
x^{6}-64z^{6}
Calculate 2 to the power of 6 and get 64.
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