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Mathematics
Mathematics
Problem
For what value of
k
k
k
does the polynomial
h
(
x
)
=
2
x
3
+
k
x
2
−
5
x
−
6
h(x)=2x^{3}+kx^{2}-5x-6
h
(
x
)
=
2
x
3
+
k
x
2
−
5
x
−
6
have
x
+
1
x+1
x
+
1
as a factor? a)
k
=
−
1
k=-1
k
=
−
1
b)
k
=
9
k=9
k
=
9
c)
k
=
3
k=3
k
=
3
d)
k
=
−
9
k=-9
k
=
−
9
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