Question

3х в квадрате-9х-1/3х в кубе

Answer 1

3х^2 - 9х - 1/3х^3 = 3х( Х - 3 - 1/9х^2 )

Answer 2

$3x^2-9x-frac{1}{3}x^3=3x(x-3-(frac{1}{3}x)^2)$