展开 x^{1/3}(x-4)

解答

展开

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

x^{\frac{4}{3}} - x^{\frac{1}{3}} \cdot 4

求解步骤

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

使用分配律:

a (b - c) = ab - a c

x^{\frac{1}{3}} (x - 4) = x^{\frac{1}{3}} x - x^{\frac{1}{3}} \cdot 4

= x^{\frac{1}{3}} x - x^{\frac{1}{3}} \cdot 4

化简

x^{\frac{1}{3}} x : x^{\frac{4}{3}}

= x^{\frac{4}{3}} - x^{\frac{1}{3}} \cdot 4

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

e x p an d (e^{x} + 1) (e^{x} - 1)

s im pl i f y (x - \frac{24}{x + 2}) (x - \frac{12}{x - 4})

s im pl i f y (x + 1 - 2) (x + 1 + 2)

e x p an d \frac{x ^{2} + 2 x + 4}{( x + 1 ) ^{2}}