Algebra-1

To factor the polynomial 6x³ + 30x² - 18x - 90, we can use the grouping method:

Step 1: Group the terms: (6x³ + 30x²) - (18x + 90)

Step 2: Factor out the common factor from each group:
In the first group, we can factor out 6x²: 6x²(x + 5).
In the second group, we can factor out 18: 18(x + 5).