化简 (x-3/2)*(x+1/2)

解答

化简

(x - \frac{3}{2}) \cdot (x + \frac{1}{2})

\frac{( 2 x - 3 ) ( 2 x + 1 )}{4}

求解步骤

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

化简

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

= \frac{2 x - 3}{2} (x + \frac{1}{2})

使用分式法则:

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

= \frac{( 2 x - 3 ) ( x + \frac{1}{2} )}{2}

化简

(2 x - 3) (x + \frac{1}{2}) : \frac{( 2 x - 3 ) ( x \cdot 2 + 1 )}{2}

= \frac{\frac{( 2 x - 3 ) ( x \cdot 2 + 1 )}{2}}{2}

使用分式法则:

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

= \frac{( 2 x - 3 ) ( x \cdot 2 + 1 )}{2 \cdot 2}

数字相乘:

2 \cdot 2 = 4

= \frac{( 2 x - 3 ) ( x \cdot 2 + 1 )}{4}

= \frac{( 2 x - 3 ) ( 2 x + 1 )}{4}

e x p an d tan^{2} (a) (2 cos^{2} (a) + sin^{2} (a - 1))

e x p an d A (3, - 3) y B (0, 3)

s im pl i f y 15 (\frac{2}{5} + 3 x)

e x p an d \frac{4 ( sin ( 2 πn ) - πn cos ( 2 πn ) )}{n ^{2}}

e x p an d x (x^{4} e^{4 x} + 5)