Answer:
1. Expand the expression.
x^8+24x^7+252x^6+1512x^5+5670x^4+13608x^3+20412x^2+17496x+6561
2. (x+3)^5
Use the Binomial Theorem.
x^5+5x^4⋅3+10x^3⋅3^2+10x^2⋅3^3+5x⋅3^4+3^5
Simplify each term.
x^5+15x^4+90x^3+270x^2+405x+243
Explanation:
hope it is helpful....