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-128\left(ku\right)^{7}
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-128\left(ku\right)^{7}
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\left(-2\right)^{7}u^{7}k^{7}
Expand \left(-2uk\right)^{7}.
-128u^{7}k^{7}
Calculate -2 to the power of 7 and get -128.
\left(-2\right)^{7}u^{7}k^{7}
Expand \left(-2uk\right)^{7}.
-128u^{7}k^{7}
Calculate -2 to the power of 7 and get -128.
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