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Factorize 5y\(^2\) + 2ay - 3a\(^2\)

Mathematics
WAEC 1988

Factorize 5y\(^2\) + 2ay - 3a\(^2\)

  • A. (5y - a) (y + 3a)
  • B. (5y + a) (y - 3a)
  • C. 5y2 + a (2y - 3a)
  • D. (y - a) (5y + 3a)
  • E. (y + a) (5y - 3a)
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Correct Answer: Option E
Explanation

5y 2 + 5ay - 3ay - 3a 2
5y(y + a) - 3a(y + a)
(y + a) (5y - 3a)

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