What is expand (12x)/((1-x^2)^2) ?

The solution to expand (12x)/((1-x^2)^2) is (12x)/(1-2x^2+x^4)

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expand (12x)/((1-x^2)^2)

expand

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

\frac{12 x}{1 - 2 x ^{2} + x ^{4}}

Solution steps

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

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

= \frac{12 x}{1 - 2 x ^{2} + x ^{4}}

\frac{5 x ^{2} + 6 x + 9}{( x - 3 ) ^{2} \cdot ( x + 1 ) ^{2}}

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

(tan (z) - sin (x) sin (y)) d x + cos (x) cos (y) d y

\frac{( x ^{2} + 15 )}{( x + 5 ) ^{2} ( x ^{2} + 5 )}

(2 + 2 i)^{7}

What is expand (12x)/((1-x^2)^2) ?
The solution to expand (12x)/((1-x^2)^2) is (12x)/(1-2x^2+x^4)