What is expand ((x+9)(x+10))/(x-9) ?

The solution to expand ((x+9)(x+10))/(x-9) is (x^2+19x+90)/(x-9)

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expand ((x+9)(x+10))/(x-9)

expand

\frac{( x + 9 ) ( x + 10 )}{x - 9}

\frac{x ^{2} + 19 x + 90}{x - 9}

Solution steps

\frac{( x + 9 ) ( x + 10 )}{x - 9}

Expand

(x + 9) (x + 10) : x^{2} + 19 x + 90

= \frac{x ^{2} + 19 x + 90}{x - 9}

19 sin (\frac{π}{6} (x + 3)) + 21

\frac{1}{2} + \frac{3}{92} (9 \cdot 0.3 - \frac{0. 3 ^{3}}{3})

\frac{3 s ^{4} - 12 s ^{3} + 4 s ^{2} + 11 s + 4}{s ( s ^{2} - 3 s - 2 ) ^{2}}

\frac{e ^{- x} + x}{x ( x - 3 ) ( x - 2 )}

\frac{( ( 12 + 1884.96 j ) ( 120 ) )}{( 132 + 1884.96 j )}

What is expand ((x+9)(x+10))/(x-9) ?
The solution to expand ((x+9)(x+10))/(x-9) is (x^2+19x+90)/(x-9)