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人気のある代数 >

-3x^2+14x-16=0

解

- 3 x^{2} + 14 x - 16 = 0

解

x = 2, x = \frac{8}{3}

+1

十進法表記

x = 2, x = 2.66666 \dots

解答ステップ

- 3 x^{2} + 14 x - 16 = 0

解くとthe二次式

x_{1, 2} = \frac{- 14 \pm 1 4 ^{2} - 4 ( - 3 ) ( - 16 )}{2 ( - 3 )}

1 4^{2} - 4 (- 3) (- 16) = 2

x_{1, 2} = \frac{- 14 \pm 2}{2 ( - 3 )}

解を分離する

x_{1} = \frac{- 14 + 2}{2 ( - 3 )}, x_{2} = \frac{- 14 - 2}{2 ( - 3 )}

x = \frac{- 14 + 2}{2 ( - 3 )} : 2

x = \frac{- 14 - 2}{2 ( - 3 )} : \frac{8}{3}

二次equationの解:

x = 2, x = \frac{8}{3}

グラフ

人気の例

solvefor b,12-(3b^2)/2 =0

so l v e f or b, 12 - \frac{3 b ^{2}}{2} = 0

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

a^{2} + 6 a - 4 = 0

solvefor y,x^2+5y^2=-8

so l v e f or y, x^{2} + 5 y^{2} = - 8

c(x)= 1/4 x^2+4x+100

c (x) = \frac{1}{4} x^{2} + 4 x + 100