posted by Cass .
I am so stuck on this factoring thing. how do you solve:
5)x(to the 6th power)-64
7)x(to 4th power)-1
I will do some, then you try.
1. 15a^2 b-10ab^2 factor out 5 ab
2(r^3+125) you have a formula for factoring sum of cubes..
2(r+5)(r^2+5r+25) check that.