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人気のある代数 >

x^1-x^2=0,3x^1-2x^2=-1

解

x^{1} - x^{2} = 0, 3 x^{1} - 2 x^{2} = - 1

解

x = 0, x = 1

解答ステップ

x^{1} - x^{2} = 0

改良

x - x^{2} = 0

標準的な形式で書く

a x^{2} + b x + c = 0

- x^{2} + x = 0

解くとthe二次式

x_{1, 2} = \frac{- 1 \pm 1 ^{2} - 4 ( - 1 ) \cdot 0}{2 ( - 1 )}

1^{2} - 4 (- 1) \cdot 0 = 1

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

解を分離する

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

x = \frac{- 1 + 1}{2 ( - 1 )} : 0

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

二次equationの解:

x = 0, x = 1

グラフ

人気の例

15 x^{2} + 7 x = 2

completesquare 3x^2+12x+11

co m pl e t es q u a re 3 x^{2} + 12 x + 11

0 = - 3 x^{2} + 6

(3x+1)^2-(x+4)^2=-15

(3 x + 1)^{2} - (x + 4)^{2} = - 15

(x + 2)^{2} - 6 = 4 x - 2