36. Решите уравнение

1)x² - 5x - 12 = 6

2)x² - 5x - 4 = 10

3)x² + 8x = -16 -2x

4)x² + x-2 = 2-2x

5)-x² + 3x - 12 = -4x

6)9x - x² = 6 + 2x

7) -x² + 5x = 18 - 6x

8)x - 2x² + 7 = -1 -5x

9)2x - 3x² + 8 = -1 -6x​