展开 (18)/((2x+3)x)

解答

展开

\frac{18}{( 2 x + 3 ) x}

\frac{18}{2 x ^{2} + 3 x}

求解步骤

\frac{18}{( 2 x + 3 ) x}

乘开

(2 x + 3) x : 2 x^{2} + 3 x

= \frac{18}{2 x ^{2} + 3 x}

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

e x p an d \frac{7 ( 6 - 5 )}{31}

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

e x p an d 74 sin (120 π (t - \frac{7}{36}))

e x p an d \frac{100 ( x ^{2} + 10 x + 100 )}{( x + 10 ) ^{2}}