35^8 = 7^8 5^8
35^5 = 7^5 5^5
28^3 = 7^3 4^3
so, the best you can factor out is 7^3 5^5
factor out the greatest common factor from the expression.
35^8+35^5+28^3
2 answers
in fact, you can only factor out 7^3 from all 3 values