RATA7 RATA7 16-11-2020 Mathématiques Answered Svp aider moi !!!b. Factorise chaque expression. A = 5x + 2x + 10x В = Зах2 - Зах + За C = 9x(x - 3) + 9x(10 + 2x) D = (2x + 1)(8 + x) - (3x - 1)(2x + 1)