What is expand (6-7x^2-x^4)/((9+x^2)(1+x^2)) ?

The solution to expand (6-7x^2-x^4)/((9+x^2)(1+x^2)) is (6-7x^2-x^4)/(9+10x^2+x^4)

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expand (6-7x^2-x^4)/((9+x^2)(1+x^2))

expand

\frac{6 - 7 x ^{2} - x ^{4}}{( 9 + x ^{2} ) ( 1 + x ^{2} )}

\frac{6 - 7 x ^{2} - x ^{4}}{9 + 10 x ^{2} + x ^{4}}

Solution steps

\frac{6 - 7 x ^{2} - x ^{4}}{( 9 + x ^{2} ) ( 1 + x ^{2} )}

Expand

(9 + x^{2}) (1 + x^{2}) : 9 + 10 x^{2} + x^{4}

= \frac{6 - 7 x ^{2} - x ^{4}}{9 + 10 x ^{2} + x ^{4}}

\frac{4 ( 1 + 26 )}{5}

\frac{\partial}{\partial t} ((x) (x^{3} + x t + 3 t^{3}))

50 (100 - e^{\frac{x}{2}})

\frac{1}{3 a ^{2} b ^{2} ( b + a )}

\frac{x ^{2} + 3 x}{( 3 x + 1 ) ^{2}}

What is expand (6-7x^2-x^4)/((9+x^2)(1+x^2)) ?
The solution to expand (6-7x^2-x^4)/((9+x^2)(1+x^2)) is (6-7x^2-x^4)/(9+10x^2+x^4)