Réponses

2013-12-23T17:26:32+01:00
Bonjour

22x²+25x+4=(5x+2)² -3x²+5x
22x² +25x +4 = 25x² +20x +4 -3x² +5x
22x² +25x +4 = 22x² +25x +4

Bon Noël

2013-12-23T17:28:49+01:00
22x²+25x+4=(5x+2)²-3x²+5x
22x²+25x+4=25x²+20x+4-3x²+5x
22x²+25x+4=22x²+25x+4