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Foundations
hard
0:00.0
Find the value of
m
m
m
if
x
−
1
x-1
x
−
1
is a factor of
x
2
+
m
x
−
5
x^2 + mx - 5
x
2
+
m
x
−
5
.
A
5
B
−
5
-5
−
5
C
4
D
−
4
-4
−
4
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