(X-3)(x-2)-(x-3)(x+2)-5=6x-7 помогите с задачей

(x - 3)(x - 2) - (x - 3)(x + 2) - 5 = 6x - 7x² - 3x - 2x + 6 - x² - 2x +3x - 5 = 6x - 7-4x + 1 = 6x - 7-4x - 6x = -7 - 1-10x = -810x = 8x = 8 : 10x = 0,8