
Robert J. answered 11/29/12
Tutor
4.6
(13)
Certified High School AP Calculus and Physics Teacher
Cross multiplication leads to,
3 = y^2 - 8y + 15
Collect all terms in one side,
y^2 - 8y + 12 = (y-2)(y-6) = 0
Answer: y = 2, 6