What is expand-(18)/((x+1)^4) ?

The solution to expand-(18)/((x+1)^4) is -(18)/(x^4+4x^3+6x^2+4x+1)

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expand-(18)/((x+1)^4)

expand

- \frac{18}{( x + 1 ) ^{4}}

- \frac{18}{x ^{4} + 4 x ^{3} + 6 x ^{2} + 4 x + 1}

Solution steps

- \frac{18}{( x + 1 ) ^{4}}

(x + 1)^{4} = x^{4} + 4 x^{3} + 6 x^{2} + 4 x + 1

= - \frac{18}{x ^{4} + 4 x ^{3} + 6 x ^{2} + 4 x + 1}

\frac{x ( x ^{2} + 4 x )}{5}

e^{t - 3} u (- t + 3)

x^{2} (3 x^{3} - 2)^{4} d x

\frac{4}{( x + 1 ) ( x + 5 ) ( s - 3 )}

What is expand-(18)/((x+1)^4) ?
The solution to expand-(18)/((x+1)^4) is -(18)/(x^4+4x^3+6x^2+4x+1)