展开 (-3g-15)/((g-1)(g+2))

解答

展开

\frac{- 3 g - 15}{( g - 1 ) ( g + 2 )}

\frac{- 3 g - 15}{g ^{2} + g - 2}

求解步骤

\frac{- 3 g - 15}{( g - 1 ) ( g + 2 )}

乘开

(g - 1) (g + 2) : g^{2} + g - 2

= \frac{- 3 g - 15}{g ^{2} + g - 2}

e x p an d \frac{v ( 1 - 5 v )}{( 1 + 5 v )}

e x p an d A (7, - 1) B (7, 4)

e x p an d \frac{1}{2} (5 x - 2 = 2 x + 4)

e x p an d \frac{12}{( x ^{2} + 9 ) ( x ^{2} + 1 )}

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