Question

Преобразуй в многочлен 6х(х+6)-(2х-3)(х+1)-2(2х²+1)

Answer 1

$6x(x+6) - (2x-3)(x+1) - 2(2x^2 + 1) = 6x^2 + 36x - (2x^2 + 2x - 3x - 3) -\\\\-(4x^2+2) = 6x^2 + 36x - 2x^2 - 2x + 3x + 3 - 4x^2 - 2 = \boxed{37x+1}$