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

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

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

expand

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

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

Solution steps

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

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

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

4 (10 + 14 + 32)

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

A (5, 3) y B (- 7, - 9)

(- 3 + 3 i)^{7}

e^{x} (x - 2)^{2}

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