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人気のある代数 >

0=0.01658x^2-21.489x+6839.39

解

0 = 0.01658 x^{2} - 21.489 x + 6839.39

解

x = \frac{21.489 + 8.1887762}{0.03316}, x = \frac{21.489 - 8.1887762}{0.03316}

+1

十進法表記

x = 734.33666 \dots, x = 561.74294 \dots

解答ステップ

0 = 0.01658 x^{2} - 21.489 x + 6839.39

辺を交換する

0.01658 x^{2} - 21.489 x + 6839.39 = 0

解くとthe二次式

x_{1, 2} = \frac{- ( - 21.489 ) \pm ( - 21.489 ) ^{2} - 4 \cdot 0.01658 \cdot 6839.39}{2 \cdot 0.01658}

(- 21.489)^{2} - 4 \cdot 0.01658 \cdot 6839.39 = 8.1887762

x_{1, 2} = \frac{- ( - 21.489 ) \pm 8.1887762}{2 \cdot 0.01658}

解を分離する

x_{1} = \frac{- ( - 21.489 ) + 8.1887762}{2 \cdot 0.01658}, x_{2} = \frac{- ( - 21.489 ) - 8.1887762}{2 \cdot 0.01658}

x = \frac{- ( - 21.489 ) + 8.1887762}{2 \cdot 0.01658} : \frac{21.489 + 8.1887762}{0.03316}

x = \frac{- ( - 21.489 ) - 8.1887762}{2 \cdot 0.01658} : \frac{21.489 - 8.1887762}{0.03316}

二次equationの解:

x = \frac{21.489 + 8.1887762}{0.03316}, x = \frac{21.489 - 8.1887762}{0.03316}

グラフ

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