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人気のある代数 >

cx^2-6x+3=0

解

c x^{2} - 6 x + 3 = 0

解

x = \frac{6 + 36 - 12 c}{2 c}, x = \frac{6 - 36 - 12 c}{2 c}; c \neq = 0

解答ステップ

c x^{2} - 6 x + 3 = 0

解くとthe二次式

x_{1, 2} = \frac{- ( - 6 ) \pm ( - 6 ) ^{2} - 4 c \cdot 3}{2 c}

簡素化

(- 6)^{2} - 4 c \cdot 3 : 36 - 12 c

x_{1, 2} = \frac{- ( - 6 ) \pm 36 - 12 c}{2 c}; c \neq = 0

解を分離する

x_{1} = \frac{- ( - 6 ) + 36 - 12 c}{2 c}, x_{2} = \frac{- ( - 6 ) - 36 - 12 c}{2 c}

x = \frac{- ( - 6 ) + 36 - 12 c}{2 c} : \frac{6 + 36 - 12 c}{2 c}

x = \frac{- ( - 6 ) - 36 - 12 c}{2 c} : \frac{6 - 36 - 12 c}{2 c}

二次equationの解:

x = \frac{6 + 36 - 12 c}{2 c}, x = \frac{6 - 36 - 12 c}{2 c}; c \neq = 0

グラフ

人気の例

2 x^{2} - 7 x + 30 = 0

2 s^{2} - 16 = - 88

x (4 x - 9) + 5 = 0

completesquare 3x^2-12x+17

co m pl e t es q u a re 3 x^{2} - 12 x + 17

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