12x^2+12x-24=0

解

12 x^{2} + 12 x - 24 = 0

x = 1, x = - 2

解答ステップ

12 x^{2} + 12 x - 24 = 0

解くとthe二次式

x_{1, 2} = \frac{- 12 \pm 1 2 ^{2} - 4 \cdot 12 ( - 24 )}{2 \cdot 12}

1 2^{2} - 4 \cdot 12 (- 24) = 36

x_{1, 2} = \frac{- 12 \pm 36}{2 \cdot 12}

解を分離する

x_{1} = \frac{- 12 + 36}{2 \cdot 12}, x_{2} = \frac{- 12 - 36}{2 \cdot 12}

x = \frac{- 12 + 36}{2 \cdot 12} : 1

x = \frac{- 12 - 36}{2 \cdot 12} : - 2

二次equationの解:

x = 1, x = - 2