Question

Pleas answer fast.

Thank you to who ever answers it!

Answer 1

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