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数学练习
高次方程
高次方程
练习1
高次方程
高次方程
1 / 5
标准
解下列方程。
x
3
−
4
x
2
+
x
+
6
=
0
x^{3} - 4x^{2} + x + 6 = 0
x
3
−
4
x
2
+
x
+
6
=
0
1
x
=
−
1
,
x
=
2
,
x
=
3
x = -1,\ x = 2,\ x = 3
x
=
−
1
,
x
=
2
,
x
=
3
2
x
=
−
3
,
x
=
−
2
,
x
=
1
x = -3,\ x = -2,\ x = 1
x
=
−
3
,
x
=
−
2
,
x
=
1
3
x
=
−
2
,
x
=
−
1
,
x
=
3
x = -2,\ x = -1,\ x = 3
x
=
−
2
,
x
=
−
1
,
x
=
3
4
x
=
−
3
,
x
=
1
,
x
=
2
x = -3,\ x = 1,\ x = 2
x
=
−
3
,
x
=
1
,
x
=
2
作答
