Calculați:
C ) 4y² (y³-5)
F ) 2y (y³-3y²+y-2)


Răspuns :

C ) 4y² (y³-5) = 4y⁵ - 20y²

F ) 2y (y³-3y²+y-2) = 2y
⁴ - 6y³ + 2y² - 4y