Réponse:
45) a. 6x²- 5x = 6x*x - 5*x = (6x - 5)*x
b. 49y² + 14y = 7y*7y + 7y*7 = 7y(7y + 7)
c. 9n² - 6n = 3n*3n - 3n*2 = 3n(3n - 2)
d. 8t² + 6t + 2 = 2*4t² + 2*3t + 2*1 = 2(4t² + 3t + 1)
46) a. 8n - 5n = 8*n - 5*n = (8 - 5)*n = 3n
b. 6x + x = 6*x + 1*x = (6 + 1)*x = 7x
c. 7x - x = 7*x - 1*x = (7 - 1)*x = 6x
d. 3,5y + y = 3,5*y + 1*y = (3,5 + 1)*y = 4,5y
