SOLUTION: find y a(y-a)-2b(y-3b)= ab

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Question 691688: find y
a(y-a)-2b(y-3b)= ab
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
find y
a(y-a)-2b(y-3b)= ab
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Expand everything
ay+-+a%5E2+-+2by+%2B+6b%5E2+=+ab
Collect the y terms
ay+-+2by+-+a%5E2+%2B+6b%5E2+=+ab
Factor out the y's
y%2A%28a+-+2b%29+-+a%5E2+%2B+6b%5E2+=+ab
y%2A%28a+-+2b%29+=+a%5E2+-+6b%5E2+%2B+ab
y+=+%28a%5E2+-+6b%5E2+%2B+ab%29%2F%28a+-+2b%29