Descartes' 1637 Multiplication Part 2

Re-Directing Descartes' 1637 Definition of Multiplication Part 2[br][br]Part 1 at https://tube.geogebra.org/m/epzHhJNR[br][br]Youtube Video at https://www.youtube.com/watch?v=-NEYhIITHP4

Information: Descartes' 1637 Multiplication Part 2