9 November 2020 Sergiu Funieru Factor X^2+6X+9 (factor polynomials) (problem with solution) +1 "Factor Polynomials (10 problems) FREE DELUXE EDITION EBOOK" is the free workbook."Factor Polynomials (10 problems with solutions) DELUXE EDITION EBOOK" is the workbook with the solutions. Have you seen this? +1