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Mathematics
Problem
For the polynomial
q
(
x
)
=
2
x
2
+
k
x
+
5
q(x)=2x^{2}+kx+5
q
(
x
)
=
2
x
2
+
k
x
+
5
, it is known that
x
+
1
x+1
x
+
1
is a factor of
q
(
x
)
q(x)
q
(
x
)
. Determine the value of
k
k
k
. a)
−
7
-7
−
7
b)
7
7
7
c)
14
14
14
d)
3
3
3
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