(x+3)(x-2)-(x-3)(x+2)-5=6x-7
( x + 3)( x - 2) - ( x - 3)( x + 2) - 5 = 6x - 7 x² - 2x + 3x - 6 - ( x² + 2x - 3x - 6) - 5 = 6x - 7 x² + x - 6 - x² + x + 6 - 5 = 6x - 7 2x - 5 = 6x - 7 2x - 6x = 5 - 7 - 4x = - 2 4x = 2 x = 2 / 4 x = 1 / 2 x = 0,5