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

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

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

expand

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

\frac{4 s}{x ^{2} - 3 x - 4}

Solution steps

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

Expand

(x + 1) (x - 4) : x^{2} - 3 x - 4

= \frac{4 s}{x ^{2} - 3 x - 4}

(x + \frac{1}{4}) (x^{2} - 5 x)

(- (a) + a^{2} - 4 c)^{2}

[(t) cos (4 t) U (t - (\frac{π}{4}))]

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

3 (3 x^{2} + 2 x - 6)^{2}

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