Let u and v be the solutions to 3x^2 + 5x + 7 = 2x^2 - 4x - 11. Find u/v + v/u.
given 3x2 + 5x + 7 = 2x2 – 4x – 11
x2 + 9x + 18 = 0
(x + 3)(x +6) = 0
x = – 3 let this one be u
x = – 6 let this one be v
u v –3 –6 1 2
–– + –– = ––– + ––– = –– + –– = 2.5
v u –6 –3 2 1
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