Find all real solutions of the equation
4
(
c
+
1
)
2
+
20
=
116
\displaystyle {4}{\left({c}+{1}\right)}^{{2}}+{20}={116}
4
(
c
+
1
)
2
+
20
=
116
Write out the exact answers (no decimal values), with answers separated by a comma.
c
=
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\displaystyle
Enter your answer as a list of values separated by commas: Example: -4, 3, 2
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
Decimal values are not allowed