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人気のある代数 >

3m^2-(5m+1)(2m-3)=3

解

3 m^{2} - (5 m + 1) (2 m - 3) = 3

解

m = 0, m = \frac{13}{7}

+1

十進法表記

m = 0, m = 1.85714 \dots

解答ステップ

3 m^{2} - (5 m + 1) (2 m - 3) = 3

拡張

3 m^{2} - (5 m + 1) (2 m - 3) : - 7 m^{2} + 13 m + 3

- 7 m^{2} + 13 m + 3 = 3

3

を左側に移動します

- 7 m^{2} + 13 m = 0

解くとthe二次式

m_{1, 2} = \frac{- 13 \pm 1 3 ^{2} - 4 ( - 7 ) \cdot 0}{2 ( - 7 )}

1 3^{2} - 4 (- 7) \cdot 0 = 13

m_{1, 2} = \frac{- 13 \pm 13}{2 ( - 7 )}

解を分離する

m_{1} = \frac{- 13 + 13}{2 ( - 7 )}, m_{2} = \frac{- 13 - 13}{2 ( - 7 )}

m = \frac{- 13 + 13}{2 ( - 7 )} : 0

m = \frac{- 13 - 13}{2 ( - 7 )} : \frac{13}{7}

二次equationの解:

m = 0, m = \frac{13}{7}

グラフ

人気の例

x^{2} + 144 = 169

6 x^{2} + x - 6 = 0

- x + 2 = (x - 1)^{2}

6 = 24 (x + 1)^{2}

((-1)/5-x)^2=1-x^2

(\frac{- 1}{5} - x)^{2} = 1 - x^{2}