Factorize 5y2 + 2ay - 3a2
(a - y)(5y - 3a)
(y - a)(5y - 3a)
(y - a)(5y + 3a)
(y + a)(5y - 3a)
Correct answer is D
5y2 + 2ay - 3a2 = 5y2 + 5ay - 3a2 = 5y(y + a) - 3a(y + a) = (y + a)(5y - 3a)
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