Corrigés Exercices d'algèbre - Free
Page 1/2. D. Pernoux http://pernoux.perso.orange.fr. -2. 1°) (x+3)² = x²+6x+9 (x-3)
² ... 2°) x²+8x+16 = (x+4)² 4x²-12x+9 = (2x-3)² 25x²-121=(5x-11)(5x+11).
Page 1/2. D. Pernoux http://pernoux.perso.orange.fr. -2. 1°) (x+3)² = x²+6x+9 (x-3)
² ... 2°) x²+8x+16 = (x+4)² 4x²-12x+9 = (2x-3)² 25x²-121=(5x-11)(5x+11).