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Foundations
easy
0:00.0
Evaluate
f
r
a
c
x
2
−
1
x
−
1
\\frac{x^2 - 1}{x - 1}
f
r
a
c
x
2
−
1
x
−
1
when
x
=
5
x=5
x
=
5
.
A
6
6
6
B
24
24
24
C
4
4
4
D
12
12
12
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