### Home > CC3 > Chapter 2 > Lesson 2.1.5 > Problem 2-51

2-51.

Simplify the following expressions by combining like terms, if possible. Homework Help ✎

*x*+*x*− 3 + 4*x*^{2}+ 2*x*−*x*Rearrange and put like terms together.

3

*x*− 3 + 4*x*^{2}Organize the terms from the greatest to the smallest power.

4

*x*^{2}+ 3*x*− 3

8

*x*^{2}+ 3*x*− 13*x*^{2}+ 10*x*^{2}− 25*x*−*x*Follow the steps in part (a).

5

*x*^{2}− 23*x*

4

*x*+ 3*y*Are there any like terms to combine?

20 + 3

*xy*− 3 + 4*y*^{2}+ 10 − 2*y*^{2}Follow the steps in part (a).