Sagot :
Réponse:
Bonjour
A = 2x(3x - 2) - (3x -7)
A = 2x x 3x - 2x x 2 - 2x x 3x - 2x x7
A = 6x² - 4x - 6x² - 14x
A = 6x² - 6x² -4x -14x
A = -18x
[tex]A = 2x(3x - 2) - (3x -7)\\A = 2x x 3x - 2x x 2 - 2x x 3x - 2x x7\\A = 6x² - 4x - 6x² - 14x\\A = 6x² - 6x² -4x -14x\\A = -18x\\[/tex]
Bonne soirée !