Find answers to your questions faster and easier with IDNLearn.com. Our experts are available to provide in-depth and trustworthy answers to any questions you may have.
Answer:
1.) -x^2 + 5x
2.) -a^3 + a^2
3.) -9x - 15
4.) -2a + 5b + 5
5.) 18x^4 - 5x^3 +x^2 - 4
Step-by-step explanation:
These are all just combining like terms