What is expand (40)/((z^2+16)z^2) ?

The solution to expand (40)/((z^2+16)z^2) is (40)/(z^4+16z^2)

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expand (40)/((z^2+16)z^2)

expand

\frac{40}{( z ^{2} + 16 ) z ^{2}}

\frac{40}{z ^{4} + 16 z ^{2}}

Solution steps

\frac{40}{( z ^{2} + 16 ) z ^{2}}

Expand

(z^{2} + 16) z^{2} : z^{4} + 16 z^{2}

= \frac{40}{z ^{4} + 16 z ^{2}}

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What is expand (40)/((z^2+16)z^2) ?
The solution to expand (40)/((z^2+16)z^2) is (40)/(z^4+16z^2)