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三次方程計算器

解三次方程

此計算器可同時以解析與近似兩種形式求出三次方程的根。

Enter a cubic equation:

For example, x^3-5x^2-3x+7=0 or x^3+1=5x^2.

If the calculator did not compute something or you have identified an error, or you have a suggestion/feedback, please contact us.

Your input: solve the cubic equation $$$x^{3} - 7 x^{2} + 7 x + 15 = 0$$$

Answer

Multiplicity: $$$1$$$,  $$$x_{1}=5$$$

Multiplicity: $$$1$$$,  $$$x_{2}=3$$$

Multiplicity: $$$1$$$,  $$$x_{3}=-1$$$


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