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

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

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

expand

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

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

Solution steps

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

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

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

(- \frac{1}{2} x + \frac{11}{2})^{2} - (3)^{2}

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

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

(- 2 + 3 i)^{10}

x (3, - 1) y (0, - 5)

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