2 - (2x-3)² - 3(2x+1)² + (6x+2) * (3x-1) = 2 * (x+1)²
2 - 4x² + 12x - 9 - 12x² - 12x - 3 + 18x² - 2 = 2x² + 4x + 2
2x² - 12 = 2x² + 4x + 2
2x² - 2x² - 4x = 2 + 12
-4x = 14
x = -14 : 4
x = -3,5
2 - (2x-3)² - 3(2x+1)² + (6x+2) * (3x-1) = 2 * (x+1)²
2 - 4x² + 12x - 9 - 12x² - 12x - 3 + 18x² - 2 = 2x² + 4x + 2
2x² - 12 = 2x² + 4x + 2
2x² - 2x² - 4x = 2 + 12
-4x = 14
x = -14 : 4
x = -3,5