展开 (3h^2-18h)/(\quad-3h(h+6))

解答

展开

\frac{3 h ^{2} - 18 h}{- 3 h ( h + 6 )}

\frac{3 h ^{2} - 18 h}{- 3 h ^{2} - 18 h}

求解步骤

\frac{3 h ^{2} - 18 h}{- 3 h ( h + 6 )}

乘开

- 3 h (h + 6) : - 3 h^{2} - 18 h

= \frac{3 h ^{2} - 18 h}{- 3 h ^{2} - 18 h}

e x p an d C (- 3, - 2)

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e x p an d \frac{4 x - 2}{( - x ^{2} + x + 1 ) ^{2}}

e x p an d \frac{675 t + 45 t ^{2} + t ^{3} + C}{( 15 + t ) ^{2}}

e x p an d - \frac{30}{( 5 x + 1 ) ^{4}}