化简 ((a-3sqrt(a)+2))/((sqrt(a)-2))

解答

化简

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

\frac{( a - 3 a + 2 ) ( a + 2 )}{a - 4}

求解步骤

\frac{a - 3 a + 2}{a - 2}

乘以共轭根式

\frac{a + 2}{a + 2}

= \frac{( a - 3 a + 2 ) ( a + 2 )}{( a - 2 ) ( a + 2 )}

(a - 2) (a + 2) = a - 4

= \frac{( a - 3 a + 2 ) ( a + 2 )}{a - 4}

e x p an d 16 - 25 \cdot (p - q)^{2}

e x p an d 5 x^{2} (x + 2) (x + 3) (x - 2)

f a c t or m^{4} + 4 m^{2} n^{2} + 16 n^{4}

s im pl i f y f (x) - \frac{2}{2032}

f (y) = \frac{( 1 + y - 1 - y )}{y}