Question

(5а-3а³)(3а-2)-2а²(а-1)

Answer 1

(5a - 3a³)(3a - 2) - 2a²(a - 1) = 15a² - 10a - 9a⁴ + 6a³ - 2a³ + 2a² =

= - 9a⁴ + 4a³ + 17a² - 10a

Answer 2

15а^2-10а-a^4+6a^3-2a^3-2a^2= 13a^2-10a-a^4+3a^3