\left(x-3\right)\left(x^{2}+1\right)

Solve x^3-3x^2+x-3

求值

x^{3} - 3 x^{2} + x - 3

要找到表达式的根，请将表达式设置为等于 0

x^{3} - 3 x^{2} + x - 3 = 0

将表达式因式分解

(x - 3) (x^{2} + 1) = 0

将方程分成 2 种可能的情况

x - 3 = 0 x^{2} + 1 = 0

解方程

More Steps

x = 3 x^{2} + 1 = 0

解方程

More Steps

x = 3 x = i x = - i

Solution

x_{1} = - i, x_{2} = i, x_{3} = 3

x^3-3x^2+x-3