SOLUTION: I need help factoring, how do I do this problem? 15y^2+7y-2

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Question 302280: I need help factoring, how do I do this problem?
15y^2+7y-2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
I need help factoring, how do I do this problem?
15y^2+7y-2
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Think of two numbers whose product is -2*15 = -30
and whose sum is 7
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The numbers are + 10 and -3
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Rewrite the problem:
15y^2 + 10y-3y -2
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Factor the 1st two and the last two terms separately:
5y(3y+2)-(3y+2)
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Factor again to get:
(3y+2)(5y-1)
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Cheers,
Stan H.