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人気のある代数 >

-0.5x^2+36x-522=0

解

- 0.5 x^{2} + 36 x - 522 = 0

解

x = 6 (6 - 7), x = 6 (6 + 7)

+1

十進法表記

x = 20.12549 \dots, x = 51.87450 \dots

解答ステップ

- 0.5 x^{2} + 36 x - 522 = 0

以下で両辺を乗じる:

10

- 5 x^{2} + 360 x - 5220 = 0

解くとthe二次式

x_{1, 2} = \frac{- 360 \pm 36 0 ^{2} - 4 ( - 5 ) ( - 5220 )}{2 ( - 5 )}

36 0^{2} - 4 (- 5) (- 5220) = 607

x_{1, 2} = \frac{- 360 \pm 60 7}{2 ( - 5 )}

解を分離する

x_{1} = \frac{- 360 + 60 7}{2 ( - 5 )}, x_{2} = \frac{- 360 - 60 7}{2 ( - 5 )}

x = \frac{- 360 + 60 7}{2 ( - 5 )} : 6 (6 - 7)

x = \frac{- 360 - 60 7}{2 ( - 5 )} : 6 (6 + 7)

二次equationの解:

x = 6 (6 - 7), x = 6 (6 + 7)

グラフ

人気の例

2 x^{2} + 40 x = - 72

0=-810a+a^2+256064.9

0 = - 810 a + a^{2} + 256064.9

completesquare x^2+12x+3=0

co m pl e t es q u a re x^{2} + 12 x + 3 = 0

9 x^{2} = 3 x

10x^2-150x+560=0

10 x^{2} - 150 x + 560 = 0