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Foundations
easy
0:00.0
If
a
=
2
a = 2
a
=
2
and
b
=
−
3
b = -3
b
=
−
3
, evaluate
a
b
+
a
ab + a
ab
+
a
.
A
−
4
-4
−
4
B
−
8
-8
−
8
C
4
D
0
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