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Eliseo Weimann ∙
The factor pairs of 12 are (12,1)(6,2)(4,3)
None of them add up to 3.
They are 1.5 +/- i*3.1225 where i is the imaginary number whose square is -1.
47
-79
51
5
285
20
71
48
43
-276
77
-7 and -5