Réponses

2013-03-21T20:20:29+01:00
4x^-2x+1-(2x^+10x-1x-5) 4x^-2x+1-2x^-10x+1x+5 2x^-11x+6
2013-03-21T20:21:18+01:00

A = 4x²-4x+1 - (2x²+10x-5)

= 4x²-4x+1 -2x²-10x+5

= 2x²-14x +6

 

 

(2x-1)(2x-1)- (x+5)

(2x-1)(2x-1-x-5)

= (2x-1)(x-6)