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人気のある代数 >

-12x^2+18x-6=0

解

- 12 x^{2} + 18 x - 6 = 0

解

x = \frac{1}{2}, x = 1

+1

十進法表記

x = 0.5, x = 1

解答ステップ

- 12 x^{2} + 18 x - 6 = 0

解くとthe二次式

x_{1, 2} = \frac{- 18 \pm 1 8 ^{2} - 4 ( - 12 ) ( - 6 )}{2 ( - 12 )}

1 8^{2} - 4 (- 12) (- 6) = 6

x_{1, 2} = \frac{- 18 \pm 6}{2 ( - 12 )}

解を分離する

x_{1} = \frac{- 18 + 6}{2 ( - 12 )}, x_{2} = \frac{- 18 - 6}{2 ( - 12 )}

x = \frac{- 18 + 6}{2 ( - 12 )} : \frac{1}{2}

x = \frac{- 18 - 6}{2 ( - 12 )} : 1

二次equationの解:

x = \frac{1}{2}, x = 1

グラフ

人気の例

2=3.2+2.8x-0.04x^2

2 = 3.2 + 2.8 x - 0.04 x^{2}

(x^{2} + 2 x - 1) = 0

2 x^{2} = 3 - 5 x

x^{2} - 5 a x + 3 a = 0

x^{2} - 2 x - 32 = 30