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人気のある代数 >

-3x^2-3x+4=0

解

- 3 x^{2} - 3 x + 4 = 0

解

x = - \frac{3 + 57}{6}, x = \frac{57 - 3}{6}

+1

十進法表記

x = - 1.75830 \dots, x = 0.75830 \dots

解答ステップ

- 3 x^{2} - 3 x + 4 = 0

解くとthe二次式

x_{1, 2} = \frac{- ( - 3 ) \pm ( - 3 ) ^{2} - 4 ( - 3 ) \cdot 4}{2 ( - 3 )}

(- 3)^{2} - 4 (- 3) \cdot 4 = 57

x_{1, 2} = \frac{- ( - 3 ) \pm 57}{2 ( - 3 )}

解を分離する

x_{1} = \frac{- ( - 3 ) + 57}{2 ( - 3 )}, x_{2} = \frac{- ( - 3 ) - 57}{2 ( - 3 )}

x = \frac{- ( - 3 ) + 57}{2 ( - 3 )} : - \frac{3 + 57}{6}

x = \frac{- ( - 3 ) - 57}{2 ( - 3 )} : \frac{57 - 3}{6}

二次equationの解:

x = - \frac{3 + 57}{6}, x = \frac{57 - 3}{6}

グラフ

人気の例

3 - 2 x = x^{2}

completesquare 2x^2+6x+3=0

co m pl e t es q u a re 2 x^{2} + 6 x + 3 = 0

0=16n^2+84n-4860

0 = 16 n^{2} + 84 n - 4860

4 x^{2} - 8 x - 7 = 0

- x^{2} - 12 x + 3 = 0