What is expand (X^2+4)/((X-5)(X-4)) ?

The solution to expand (X^2+4)/((X-5)(X-4)) is (X^2+4)/(X^2-9X+20)

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expand (X^2+4)/((X-5)(X-4))

expand

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

\frac{X ^{2} + 4}{X ^{2} - 9 X + 20}

Solution steps

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

Expand

(X - 5) (X - 4) : X^{2} - 9 X + 20

= \frac{X ^{2} + 4}{X ^{2} - 9 X + 20}

(- 1 + e^{- 0.02 y}) (e^{- 0.1 x} - 1)

(x^{2} + Δ x)^{2} - 4 (x + Δ x)

(1 - e^{- 10 t}) U (t)

(\frac{d y}{d x} - 1)^{2}

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

What is expand (X^2+4)/((X-5)(X-4)) ?
The solution to expand (X^2+4)/((X-5)(X-4)) is (X^2+4)/(X^2-9X+20)