(x - 3)×(4x - 5) + 2(x-3) =
= 4x² - 12x - 5x + 15 + 2x - 6
= 4x² - 15x + 9
= 4x² - 12x - 3x + 9
= 4x(x - 3) - 3(x - 3)
= (4x - 3)(x - 3)
