Factorize 9(x + y) 2 - 4(x - y) 2
MATHEMATICS
JAMB 1990
Factorize 9(x + y)2 - 4(x - y)2
- A. (x + y)(5x + y)
- B. (x + y)2
- C. (x + 5y)(5x + y)
- D. 5(x + y)2
Correct Answer: C. (x + 5y)(5x + y)
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