Answer:
25 - 3x^5
Step-by-step explanation:
-2x^4+16+2x^4+9-3x^5
Combine like terms
-2x^4+2x^4+9+16-3x^5
0 + 25 -3x^5
3x^5-25
you but the terms with the same power together and don't forget to add the signs that are in front of each terms when combining.
143 over 428
96
