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Mathematics
Mathematics
Problem
Consider the polynomial
r
(
x
)
=
x
3
+
3
x
2
−
4
x
−
12
r(x)=x^{3}+3x^{2}-4x-12
r
(
x
)
=
x
3
+
3
x
2
−
4
x
−
12
. If
x
=
2
x=2
x
=
2
and
x
=
−
3
x=-3
x
=
−
3
are zeros of
r
(
x
)
r(x)
r
(
x
)
, what is the remaining zero? a)
4
4
4
b)
−
2
-2
−
2
c)
2
2
2
d)
−
4
-4
−
4
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