Algebra-1

To factor the polynomial 2x³ - 8x² - x + 4, we can use the grouping method:

Step 1: Group the terms:
(2x³ - 8x²) + (-x + 4)

Step 2: Factor out the common factor from each group:
In the first group, we can factor out 2x²: 2x²(x - 4).
In the second group, we can factor out -1: -1(x - 4).