What is expand (12(x+1)(x-1))/((x^2+3)^3) ?

The solution to expand (12(x+1)(x-1))/((x^2+3)^3) is (12x^2-12)/(x^6+9x^4+27x^2+27)

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expand (12(x+1)(x-1))/((x^2+3)^3)

expand

\frac{12 ( x + 1 ) ( x - 1 )}{( x ^{2} + 3 ) ^{3}}

\frac{12 x ^{2} - 12}{x ^{6} + 9 x ^{4} + 27 x ^{2} + 27}

Solution steps

\frac{12 ( x + 1 ) ( x - 1 )}{( x ^{2} + 3 ) ^{3}}

(x^{2} + 3)^{3} = x^{6} + 9 x^{4} + 27 x^{2} + 27

= \frac{12 ( x + 1 ) ( x - 1 )}{x ^{6} + 9 x ^{4} + 27 x ^{2} + 27}

Expand

12 (x + 1) (x - 1) : 12 x^{2} - 12

= \frac{12 x ^{2} - 12}{x ^{6} + 9 x ^{4} + 27 x ^{2} + 27}

\frac{2 s + 2}{( s ^{2} + 1 ) ( s - 1 ) ^{3}}

[(cos (t))^{2} (1 + e^{2 t})^{3}]

2 (5 - 11)

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

e^{(n + 1)^{2}}

What is expand (12(x+1)(x-1))/((x^2+3)^3) ?
The solution to expand (12(x+1)(x-1))/((x^2+3)^3) is (12x^2-12)/(x^6+9x^4+27x^2+27)