展开 (2(m-2))/(3(2m+3))

解答

展开

\frac{2 ( m - 2 )}{3 ( 2 m + 3 )}

\frac{2 m - 4}{6 m + 9}

求解步骤

\frac{2 ( m - 2 )}{3 ( 2 m + 3 )}

乘开

3 (2 m + 3) : 6 m + 9

= \frac{2 ( m - 2 )}{6 m + 9}

乘开

2 (m - 2) : 2 m - 4

= \frac{2 m - 4}{6 m + 9}

e x p an d \frac{- s ^{2} - 18 s - 215}{( s + 3 ) ( s ^{2} + 25 )}

e x p an d (\frac{x}{2} + 1)^{2}

e x p an d \frac{( 3 x ^{2} + 3 x ) x ^{4} - 6}{2 x ^{4}}

e x p an d f^{'} (x) ((- 6 + 9 x) (- 9 - 9 x^{2} - 6 x^{3}))

e x p an d \frac{( 2 x ^{2} + 9 ) ( x ^{2} + 2 )}{x ^{2}}