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WAEC Mathematics 2013 Paper
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© africaexams.com
Question : 9
Total: 48
Simplify:
x
2
−
y
2
(
x
+
y
)
2
÷
(
x
−
y
)
2
(
3
x
+
3
y
)
x
−
y
3
x + y
3
x
−
y
x - y
Validate
Solution:
x
2
−
y
2
(
x
+
y
)
2
÷
(
x
−
y
)
2
(
3
x
+
3
y
)
(
x
+
y
)
(
x
−
y
)
(
x
+
y
)
(
x
+
y
)
÷
(
x
−
y
)
(
x
−
y
)
3
(
x
+
y
)
=
3
x
−
y
© africaexams.com
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