Решение:
3x2 – 8x + 2 – (x2 – 8x + 10) = 0
3x2 – 8x + 2 – x2 + 8x – 10 = 0
(3x2 – x2) + (–8x + 8x) + (2 – 10) = 0
2x2 – 8 = 0
2x2 = 8
x2 = 4
x = ±√4
x = ±2
Ответ: x = 2, x = -2