Find all the roots of the polynomial:
y
=
−
x
5
+
7
x
4
−
15
x
3
+
5
x
2
+
16
x
−
12
\displaystyle {y}=-{x}^{{5}}+{7}{x}^{{4}}-{15}{x}^{{3}}+{5}{x}^{{2}}+{16}{x}-{12}
y
=
−
x
5
+
7
x
4
−
15
x
3
+
5
x
2
+
16
x
−
12
List all roots, separated by comma:
x
=
\displaystyle {x}=
x
=
-4,-1,-3,1,2
3,-1,3,-2,2
1,3,-1,2,-3
2,-1,1,3,2
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