What is expand (x(x-1))/((x+5)(x-4)) ?

The solution to expand (x(x-1))/((x+5)(x-4)) is (x^2-x)/(x^2+x-20)

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expand (x(x-1))/((x+5)(x-4))

expand

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

\frac{x ^{2} - x}{x ^{2} + x - 20}

Solution steps

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

Expand

(x + 5) (x - 4) : x^{2} + x - 20

= \frac{x ( x - 1 )}{x ^{2} + x - 20}

Expand

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

= \frac{x ^{2} - x}{x ^{2} + x - 20}

(x - 3 - i) (x - 3 + i)

(cos (x) cos (y) - cot (x)) d x - sin (x) sin (y) d y

\frac{5 ( x + 2 )}{6}

(a + b - a - b)^{2}

What is expand (x(x-1))/((x+5)(x-4)) ?
The solution to expand (x(x-1))/((x+5)(x-4)) is (x^2-x)/(x^2+x-20)