As public lecturer of mathematics at the Piatti Foundation in Milan, he was aware of the problem of solving cubic equations, but, until the contest, he had taken Pacioli at his word and assumed that, as Pacioli stated in the Suma published in 1494, solutions were impossible.
Bilang pampublikong lektor ng matematika at ang Piatti Foundation sa Milan, siya ang kamalayan ng mga problema ng solving kubiko equation, ngunit, hanggang sa labanan, siya ay kinuha Pacioli sa kanyang salita at assumed na, bilang Pacioli nakalagay sa Suma-publish sa 1494, solusyon ay imposible.