SOLUTION: what is the factored form of a^2 + 2ab - 15b^2

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Question 263163: what is the factored form of
a^2 + 2ab - 15b^2
Answer by palanisamy(496) About Me  (Show Source):
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a^2 + 2ab - 15b^2 = a^2 + 5ab -3ab- 15b^2
= a(a+5b)-3b(a+5b)
= (a+5b)(a-3b)