Question

The equation X^3+3x^2 + 5x+15 = 0 Has how many solutions

Answer 1

x
=
-
3
,
5
,
-
5
The result can be shown in multiple forms.
Exact Form:
x
=
−
3
,
√
5
,
−
√
5
x
=
-
3
,
5
,
-
5
Decimal Form:
x
=
−
3
,
2.23606797
…
,
−
2.23606797
…