化简 (-(x^2)/3-1)(2x-2)

解答

化简

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

\frac{( - 3 - x ^{2} ) ( 2 x - 2 )}{3}

求解步骤

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

合并

- \frac{x ^{2}}{3} - 1 : \frac{- 3 - x ^{2}}{3}

= \frac{- 3 - x ^{2}}{3} (2 x - 2)

使用分式法则:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{( - 3 - x ^{2} ) ( 2 x - 2 )}{3}

e x p an d - \frac{u ( 16 x ^{6} - 14 u - 7 u x ^{2} )}{2 x}

s im pl i f y 6 (2 + 5)

e x p an d s q r (4 + (2 tan^{2} (x)))

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

s im pl i f y 2 x (4 x - 1) (2 x + 9) (x - 5) (x + 5)