LAURINESTCK LAURINESTCK 03-10-2022 Mathématiques Answered Factoriser les expressions.B= 6x - 15E = 9x² + 6 H = x² + x A = 4x + 12 D = 4 - 10x G = 2x + 2 C = 21x - 7x F = x² - 4x I = 4x² + 3x²