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人気のある代数 >

solvefor x,-kx^2+px-k=0

解

解く

x, - k x^{2} + p x - k = 0

解

x = - \frac{- p + p ^{2} - 4 k ^{2}}{2 k}, x = - \frac{- p - p ^{2} - 4 k ^{2}}{2 k}; k \neq = 0

解答ステップ

- k x^{2} + p x - k = 0

解くとthe二次式

x_{1, 2} = \frac{- p \pm p ^{2} - 4 ( - k ) ( - k )}{2 ( - k )}

簡素化

p^{2} - 4 (- k) (- k) : p^{2} - 4 k^{2}

x_{1, 2} = \frac{- p \pm p ^{2} - 4 k ^{2}}{2 ( - k )}; k \neq = 0

解を分離する

x_{1} = \frac{- p + p ^{2} - 4 k ^{2}}{2 ( - k )}, x_{2} = \frac{- p - p ^{2} - 4 k ^{2}}{2 ( - k )}

x = \frac{- p + p ^{2} - 4 k ^{2}}{2 ( - k )} : - \frac{- p + p ^{2} - 4 k ^{2}}{2 k}

x = \frac{- p - p ^{2} - 4 k ^{2}}{2 ( - k )} : - \frac{- p - p ^{2} - 4 k ^{2}}{2 k}

二次equationの解:

x = - \frac{- p + p ^{2} - 4 k ^{2}}{2 k}, x = - \frac{- p - p ^{2} - 4 k ^{2}}{2 k}; k \neq = 0

グラフ

人気の例

2 x^{2} - 5 x + 13 = 0

(1-2x)(1+2x)=3x

(1 - 2 x) (1 + 2 x) = 3 x

(3x)/8-(x^2)/8 =0

\frac{3 x}{8} - \frac{x ^{2}}{8} = 0

x^{2} + 36 x + 332 = 0

13 x^{2} - 27 = 0