2x³ - 3x² + 32x + 17 =
(2x + 1)(x²- 2x + 17)
2x + 1 = 0
x = -1/2
x²- 2x + 17 = 0 (This expression can't be factoriced)
So, using the general formula:
x = 1 + 4i and x = 1 - 4i
6.5m questions
8.7m answers