What is expand (4s)/((x+2)(x-1)) ?

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

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expand (4s)/((x+2)(x-1))

expand

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

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

Solution steps

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

Expand

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

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

\frac{38 x y}{( x ^{2} + y ^{2} + 1 ) ^{2}}

e^{- 2 t} (- sin (4) 4) + cos (4 t) (e^{- 2 t} - 2 t)

\frac{d ^{3}}{d x ^{3}} ((y) (3 x^{3} + 6 x^{2} - 4 x))

\frac{2}{5 ( 10 s ^{2} + 7 s + 1 )}

7350 (z - e^{- T}) (z - e^{- 2 T}) (z - e^{- 7 T})

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