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WAEC Mathematics 2010 Solved Paper
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Question : 2
Total: 49
Factorize: x + y - ax = ay
(x - y)(1 - a)
(x + y)(1 + a)
(x + y)(1 - a)
(x - y)(1 + a)
Validate
Solution:
x + y - ax = ay
= (x + y) -a(x + y) = (x + y)(1 - a)
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