What is expand (z-3)/((z-1)z-3) ?

The solution to expand (z-3)/((z-1)z-3) is (z-3)/(z^2-z-3)

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expand (z-3)/((z-1)z-3)

expand

\frac{z - 3}{( z - 1 ) z - 3}

\frac{z - 3}{z ^{2} - z - 3}

Solution steps

\frac{z - 3}{( z - 1 ) z - 3}

Expand

(z - 1) z - 3 : z^{2} - z - 3

= \frac{z - 3}{z ^{2} - z - 3}

\frac{4 ( - y + 280 )}{3}

\frac{6 x - 1}{x ^{3} ( 2 x - 1 )}

\frac{3}{( a ^{2} - y ^{2} ) ^{2}}

\frac{a s + 1}{( s + 1 ) ^{2}}

\frac{5 x - 3}{( x + 1 ) ( x - 3 )}

What is expand (z-3)/((z-1)z-3) ?
The solution to expand (z-3)/((z-1)z-3) is (z-3)/(z^2-z-3)