What is expand (4z^2)/((z-1)^2) ?

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

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expand (4z^2)/((z-1)^2)

expand

\frac{4 z ^{2}}{( z - 1 ) ^{2}}

\frac{4 z ^{2}}{z ^{2} - 2 z + 1}

Solution steps

\frac{4 z ^{2}}{( z - 1 ) ^{2}}

(z - 1)^{2} = z^{2} - 2 z + 1

= \frac{4 z ^{2}}{z ^{2} - 2 z + 1}

\frac{8 ( 2 x ^{2} - 8 x - 1 )}{3 x ^{\frac{4}{3}} ( x + 1 ) ^{3}}

6 (3 x [- 5])

\frac{e ^{- 3 s} + 2 s}{s ( s + 1 )}

- \frac{3 j x ( a e ^{\frac{π}{t}} - b e ^{\frac{π}{t}} )}{2}

\frac{( ( a \cdot ( 1 + g ) ^{n} ) \cdot ( 1 - 0.6 a ) )}{c} - c

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