Réponses

2014-01-19T16:30:35+01:00
(x-8)² - 42 (x-1) (x-8)
(x-8) (x-8 -42 + x -1)
(x-8) (2x - 49)
2014-01-19T17:38:33+01:00
Bonjour
(x-8)² - 42 (x-1) (x-8).
(x-8) (x-8) - 45(x-1)
(x-8) (x-8 -45x +45)
(x-8)(-44x + 37)