(6x - 3) + (5x² - 4)
(-6x - 3)(5x² + 4)
(6x + 3) + (-5x² - 4)
-(6x - 3) - (5x² - 4)
-(6x + 3) + (5x² - 4)
RCICE 18 3
=
11
le signe qui convient :
... 6x ... 3 ... 5x² ...4
=
=
=
…..
...
6x ... 3... 5x²...4
6x ... 3 ... 5x² ...4
... 6x ... 3 ... 5x² ...4
... 6x ... 3 ... 5x² ...4