What is expand (x^2+x)/((x-4)(x^2+9)) ?

The solution to expand (x^2+x)/((x-4)(x^2+9)) is (x^2+x)/(x^3+9x-4x^2-36)

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expand (x^2+x)/((x-4)(x^2+9))

expand

\frac{x ^{2} + x}{( x - 4 ) ( x ^{2} + 9 )}

\frac{x ^{2} + x}{x ^{3} + 9 x - 4 x ^{2} - 36}

Solution steps

\frac{x ^{2} + x}{( x - 4 ) ( x ^{2} + 9 )}

Expand

(x - 4) (x^{2} + 9) : x^{3} + 9 x - 4 x^{2} - 36

= \frac{x ^{2} + x}{x ^{3} + 9 x - 4 x ^{2} - 36}

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

(tan (x) + sin (x)) cot (x) - cos (x)

(x - 23) (x + 23)

(16 x^{2} + 5 x + 8)^{5}

(3 d^{4} - 7 e^{3})^{2}

What is expand (x^2+x)/((x-4)(x^2+9)) ?
The solution to expand (x^2+x)/((x-4)(x^2+9)) is (x^2+x)/(x^3+9x-4x^2-36)