QwQ Preview 32B Q5_K_M: Tried a couple of techniques, then decided to set C to 1.00 and used the quadratic formula to get 2.17 and 2.17 for the other values.

Phi-4 (unsloth's dynamic 4-bit version) keeps trying random and repeating numbers with no particular strategy. Adding Maharshi's "contemplative prompt" did not really change anything.