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

The solution to expand (-4x+2)/((x^2-1)^2) is (-4x+2)/(x^4-2x^2+1)

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expand (-4x+2)/((x^2-1)^2)

expand

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

\frac{- 4 x + 2}{x ^{4} - 2 x ^{2} + 1}

Solution steps

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

(x^{2} - 1)^{2} = x^{4} - 2 x^{2} + 1

= \frac{- 4 x + 2}{x ^{4} - 2 x ^{2} + 1}

\frac{6 x + 21}{( x + 2 ) ^{2}}

\frac{( ( a K b + a q + p b ) ^{2} )}{K}

\frac{2 ( 1 - 2 x )}{5}

\frac{1.221}{0.9}

\frac{8 z ^{2} ( - u ^{5} + 3 )}{3 u}

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