Find all zeros of
f
(
x
)
=
x
3
+
3
x
2
+
x
+
3
\displaystyle {f{{\left({x}\right)}}}={x}^{{3}}+{3}{x}^{{2}}+{x}+{3}
f
(
x
)
=
x
3
+
3
x
2
+
x
+
3
. Enter the zeros separated by commas.
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\displaystyle
Enter your answer as a list of complex numbers in a+bi form separated with commas. Example: 2+5i,-3-4i
Enter each value as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity