Factorize: x + y - ax = ay
MATHEMATICS
WAEC 2010
Factorize: x + y - ax = ay
- A. (x - y)(1 - a)
- B. (x + y)(1 + a)
- C. (x + y)(1 - a)
- D. (x - y)(1 + a)
Correct Answer: C. (x + y)(1 - a)
Explanation
x + y - ax = ay
= (x + y) -a(x + y) = (x + y)(1 - a)
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