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四次方程计算器

计算器将以解析形式和近似形式找到四次方程的根。

Enter a quartic equation:

For example, x^4+x^3-3x^2-6x+2=0 or x^4+x=7.

If the calculator did not compute something or you have identified an error, or you have a suggestion/feedback, please write it in the comments below.

Your input: solve the quartic equation $$$x^{4} - 5 x^{3} - 15 x^{2} + 5 x + 14 = 0$$$

Answer

Multiplicity: $$$1$$$,  $$$x_{1}=7$$$

Multiplicity: $$$1$$$,  $$$x_{2}=1$$$

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

Multiplicity: $$$1$$$,  $$$x_{4}=-2$$$