Add. 7/w²+18w+81 + 1/w²-81



Answer to a math question Add. 7/w²+18w+81 + 1/w²-81

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$\frac{ 7 }{ {w}^{2} }+18w+\frac{ 1 }{ {w}^{2} }$
$\frac{ 7+18{w}^{3}+1 }{ {w}^{2} }$
$\frac{ 8+18{w}^{3} }{ {w}^{2} }$

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