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人気のある代数 >

3x^2-24x-100=0

解

3 x^{2} - 24 x - 100 = 0

解

x = \frac{2 ( 6 + 111 )}{3}, x = \frac{2 ( 6 - 111 )}{3}

+1

十進法表記

x = 11.02376 \dots, x = - 3.02376 \dots

解答ステップ

3 x^{2} - 24 x - 100 = 0

解くとthe二次式

x_{1, 2} = \frac{- ( - 24 ) \pm ( - 24 ) ^{2} - 4 \cdot 3 ( - 100 )}{2 \cdot 3}

(- 24)^{2} - 4 \cdot 3 (- 100) = 4111

x_{1, 2} = \frac{- ( - 24 ) \pm 4 111}{2 \cdot 3}

解を分離する

x_{1} = \frac{- ( - 24 ) + 4 111}{2 \cdot 3}, x_{2} = \frac{- ( - 24 ) - 4 111}{2 \cdot 3}

x = \frac{- ( - 24 ) + 4 111}{2 \cdot 3} : \frac{2 ( 6 + 111 )}{3}

x = \frac{- ( - 24 ) - 4 111}{2 \cdot 3} : \frac{2 ( 6 - 111 )}{3}

二次equationの解:

x = \frac{2 ( 6 + 111 )}{3}, x = \frac{2 ( 6 - 111 )}{3}

グラフ

人気の例

39 = x^{2} - 2 x + 4

solvefor x,(x+y_{i})^2=3-4i

so l v e f or x, (x + y_{i})^{2} = 3 - 4 i

solvefor x,4x^2+9x+3=0

so l v e f or x, 4 x^{2} + 9 x + 3 = 0

2 x^{2} - 3 x + \frac{5}{8} = 0

5x^2-3x+1=-3x^2-2x

5 x^{2} - 3 x + 1 = - 3 x^{2} - 2 x