展开 (3(s-1))/(s^2+13s+36)

解答

展开

\frac{3 ( s - 1 )}{s ^{2} + 13 s + 36}

\frac{3 s - 3}{s ^{2} + 13 s + 36}

求解步骤

\frac{3 ( s - 1 )}{s ^{2} + 13 s + 36}

乘开

3 (s - 1) : 3 s - 3

= \frac{3 s - 3}{s ^{2} + 13 s + 36}

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