Question

Упростите выражение
(3х + 1) (4х – 2) – 6 (2х – 1)^2+ 14

Answer 1

(3х + 1) (4х – 2) – 6 (2х – 1)^2+ 14 = 
= 12x² - 6x + 4x - 2 - 6(4x² - 4x + 1) + 14 =
= 12x² - 2x - 2 - 24x² + 24x - 6 + 14 =
= -12x² + 22x + 6