Question

How do you factor `1 - s^3`?

Answer 1

`(1-s)(1+s+s^2)`

Explanation:

Use the difference of cubes:
`(a^3-b^3)=(a-b)(a^2+ab+b^2)`
So in this case:
`(1-s^3)=(1-s)(1+s+s^2)`