Réponses

2014-02-16T13:21:45+01:00
7x-14=7(x-2)
x²+3x=x(x+3)
12x²-2x+6=2(6x²-x+3)
4b²-12=4(b²-3)
2t²-3t=t(2t-3)
4x²+20x=4x(x+5)
1/4a²-1/2=1/2(1/2a²-1)
2/3x²+9/4x=x(2/3x+9/4)