MARGOTGAUSSERAND4 MARGOTGAUSSERAND4 Mathématiques Answered 5 Factorise puis réduis chaque expression. A = (2x + 1)(x - 3) + (2x + 1) A = (2x + 1)(x - 3) + (2x + 1) X...... A = (2x + 1) x.... A = ... B = (3x + 2) - (2x - 7)(3x + 2) C = -x - (3x - 2)x