SOLUTION: How do i factor -35+17y-7y^2

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Question 248849: How do i factor -35+17y-7y^2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How do i factor -35+17y-7y^2
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Rewrite:
-(7y^2 - 17y + 35)
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Use the quadratic formula:
y = [17 +- sqrt(17^2 - 4*7*35)]]/14
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y = [17 +- sqrt(-691)]/14
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y = [17 +- isqrt(691)]/14
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Factors:
= -[y-(17+isqrt(691)/14][y-(17-isqrt(691))/14]
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Cheers,
Stan H.