How do you factor: #y=3x^3 - 8x^2 - x + 10#?
We find that y(2) = 0 when x = 2, then one factor is (x - 2).
After division and checking,
The trinomial in parentheses can be factored.
Since (a - b + c = 0), use shortcut. One factor is (x + 1) and the other is