Question

CAN SOMEONE PLEASE PLEASE HELP ME !!!!!!!
(-b^5+4b^4+9b^2-b-16)-(-5b^5+b^2-b-6)

Answer 1

-10 + 8 b^2 + 4 b^4 + 4 b^5

Answer 2

\(\bf (-b^5+4b^4+9b^2-b-16)-(-5b^5+b^2-b-6)\\ \quad \\
-b^5+4b^4+9b^2-b-16+5b^5-b^2+b+6\\ \quad \\
-b^5+5b^5+4b^4+9b^2-b^2-b+b-16+6\)