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27
Mark for Review
For the given system of equations, what is the value of
(
a
−
b
)
?
(
c
−
d
)
−
3
=
−
5
(
a
−
b
)
2
+
12
(
a
−
b
)
−
3
(
c
−
d
)
+
7
=
(
a
−
b
)
2
−
8
(
a
−
b
)
Your Answer: