bonsoir
programme a = 2 ( x + 3 ) - 3 = 2 x + 6 - 3 = 2 x + 3 ( non linéaire)
programme b = - 4 x + x = - 3 x , linéaire
programme c = x² - x , non linéaire
programme d = 6 ( x - 5 ) + 30 = 6 x - 30 + 30 = 6 x , linéaire
