ja

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

人気のある代数 >

-3x^2+8x-3=0

解

- 3 x^{2} + 8 x - 3 = 0

解

x = \frac{4 - 7}{3}, x = \frac{4 + 7}{3}

+1

十進法表記

x = 0.45141 \dots, x = 2.21525 \dots

解答ステップ

- 3 x^{2} + 8 x - 3 = 0

解くとthe二次式

x_{1, 2} = \frac{- 8 \pm 8 ^{2} - 4 ( - 3 ) ( - 3 )}{2 ( - 3 )}

8^{2} - 4 (- 3) (- 3) = 27

x_{1, 2} = \frac{- 8 \pm 2 7}{2 ( - 3 )}

解を分離する

x_{1} = \frac{- 8 + 2 7}{2 ( - 3 )}, x_{2} = \frac{- 8 - 2 7}{2 ( - 3 )}

x = \frac{- 8 + 2 7}{2 ( - 3 )} : \frac{4 - 7}{3}

x = \frac{- 8 - 2 7}{2 ( - 3 )} : \frac{4 + 7}{3}

二次equationの解:

x = \frac{4 - 7}{3}, x = \frac{4 + 7}{3}

グラフ

人気の例

25=-4.9t^2+20t+20

25 = - 4.9 t^{2} + 20 t + 20

log_{10}(5)(4x^2+4)-log_{10}(5)(x+6)=1

lo g_{10} (5) (4 x^{2} + 4) - lo g_{10} (5) (x + 6) = 1

(30-2/3 r)^2=100

(30 - \frac{2}{3} r)^{2} = 100

completesquare s^2+8s+16

co m pl e t es q u a re s^{2} + 8 s + 16

w^{2} + 6 w - 7 = 0