Solve the given equation over the complex numbers.
x
2
+
4
x
+
8
=
0
\displaystyle {x}^{{2}}+{4}{x}+{8}={0}
x
2
+
4
x
+
8
=
0
Enter multiple answers separated by commas. (For example:
2
+
2
i
,
2
−
2
i
\displaystyle {2}+{2}{i},{2}-{2}{i}
2
+
2
i
,
2
−
2
i
)
x
=
\displaystyle {x}=
x
=
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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