What is expand (2x^3)/((1-x^2)^2) ?

The solution to expand (2x^3)/((1-x^2)^2) is (2x^3)/(1-2x^2+x^4)

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expand (2x^3)/((1-x^2)^2)

expand

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

\frac{2 x ^{3}}{1 - 2 x ^{2} + x ^{4}}

Solution steps

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

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

= \frac{2 x ^{3}}{1 - 2 x ^{2} + x ^{4}}

3 (x - 3)

\frac{6 x + 13}{( x + 3 ) ( x + 2 )}

(i + k + j + 2) \times (i + ik + kj + j)^{2}

x - 7^{2}

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

What is expand (2x^3)/((1-x^2)^2) ?
The solution to expand (2x^3)/((1-x^2)^2) is (2x^3)/(1-2x^2+x^4)