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Olympiad-Math
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Class 7
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Q)
Multiply
(
a
+
b
)
and
(
2
a
−
3
b
+
c
)
2
a
2
−
a
b
+
a
c
+
b
c
−
3
b
2
2
a
2
+
a
b
+
a
c
+
b
c
−
3
b
2
2
a
2
+
a
b
+
a
c
+
b
c
+
3
b
2
2
a
2
+
a
b
−
a
c
+
b
c
−
3
b
2
Share
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