What is expand-(2x)/((x+1)(-x+1)) ?

The solution to expand-(2x)/((x+1)(-x+1)) is -(2x)/(1-x^2)

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expand-(2x)/((x+1)(-x+1))

expand

- \frac{2 x}{( x + 1 ) ( - x + 1 )}

- \frac{2 x}{1 - x ^{2}}

Solution steps

- \frac{2 x}{( x + 1 ) ( - x + 1 )}

Expand

(x + 1) (- x + 1) : 1 - x^{2}

= - \frac{2 x}{- x ^{2} + 1}

\frac{24 ( 2 x ^{2} + 3 x + 1 )}{x}

\frac{( x - 1 ) ^{2}}{12}

(1 + 1)^{n}

(e^{- 6 t} + e^{6 t})^{2}

\frac{5 u}{( x - 1 ) ( x + 1 )}

What is expand-(2x)/((x+1)(-x+1)) ?
The solution to expand-(2x)/((x+1)(-x+1)) is -(2x)/(1-x^2)