化简 ((d-d^2))/((d^2))

解答

化简

\frac{( d - d ^{2} )}{( d ^{2} )}

\frac{1 - d}{d}

求解步骤

\frac{d - d ^{2}}{d ^{2}}

因式分解

d - d^{2} : d (1 - d)

= \frac{d ( 1 - d )}{d ^{2}}

使用指数法则:

a^{b + c} = a^{b} \cdot a^{c}

d^{2} = dd

= \frac{d ( 1 - d )}{dd}

约分:

d

= \frac{1 - d}{d}

s im pl i f y (3 x 1 0^{8})^{2}

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