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人気のある代数 >

-4x^2+13x-3=0

解

- 4 x^{2} + 13 x - 3 = 0

解

x = \frac{1}{4}, x = 3

+1

十進法表記

x = 0.25, x = 3

解答ステップ

- 4 x^{2} + 13 x - 3 = 0

解くとthe二次式

x_{1, 2} = \frac{- 13 \pm 1 3 ^{2} - 4 ( - 4 ) ( - 3 )}{2 ( - 4 )}

1 3^{2} - 4 (- 4) (- 3) = 11

x_{1, 2} = \frac{- 13 \pm 11}{2 ( - 4 )}

解を分離する

x_{1} = \frac{- 13 + 11}{2 ( - 4 )}, x_{2} = \frac{- 13 - 11}{2 ( - 4 )}

x = \frac{- 13 + 11}{2 ( - 4 )} : \frac{1}{4}

x = \frac{- 13 - 11}{2 ( - 4 )} : 3

二次equationの解:

x = \frac{1}{4}, x = 3

グラフ

人気の例

(x)(7+x)=(6)(14+6)

(x) (7 + x) = (6) (14 + 6)

x^{2} - 3 x - 26 = 0

solvefor x,z=5-x^2-y^2

so l v e f or x, z = 5 - x^{2} - y^{2}

4 x^{2} = 4 x - 17

8 x = 2 x^{2}