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Factorize 5y2 2ay - 3a2 - WAEC Mathematics 2008 Question

Factorize 5y² + 2ay - 3a²

A

(a - y)(5y - 3a)

B

(y - a)(5y - 3a)

C

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

D

(y + a)(5y 3a)

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Correct Option: D

5y² + 2ay - 3a² = 5y² + 5ay - 3a²

= 5y(y + a) - 3a(y + a)

= (y + a)(5y - 3a)

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