ALIXLMX ALIXLMX 19-11-2022 Mathématiques Answered Exercice n°1 (3 points): réduire si possible les expressions ci-dessous: A = 3x +41 - 12x + 5x² - 12 + 8x = B = 11y - 3w + 7y + 2 = C = 7a+ 18 - 5a² =