展开 (x(x-1))/(x-2)

解答

展开

\frac{x ( x - 1 )}{x - 2}

\frac{x ^{2} - x}{x - 2}

求解步骤

\frac{x ( x - 1 )}{x - 2}

乘开

x (x - 1) : x^{2} - x

= \frac{x ^{2} - x}{x - 2}

s im pl i f y (4 - 3 i)^{5}

e x p an d (6 x^{3} + 3)^{\frac{3}{2}} (- 4 x^{2} + 8 x)^{3}

e x p an d A (2, \frac{3}{4}) y B (\frac{3}{5}, - \frac{1}{2})

e x p an d \frac{( a - 1 ) ( a + 3 )}{( a - 7 ) ( a + 7 )}

s im pl i f y 2 (46 - \frac{10 5}{3})