Question

Выполни умножение: (u−5)(6u+1)(3u−6)

Answer 1

$= (6 {u}^{2} + u - 30u - 5) (3u - 6) =$
= (6u²-29u-5)(3u-6) = 18u³-36u²-87u²-174-15u+30 = 18u³-123u²+174u-15u+30 = 18u³-123u²-159u+30