### Home > CCAA > Chapter 2 Unit 4 > Lesson CC3: 2.1.5 > Problem2-51

2-51.

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

1. $x+x−3+4x^2+2x−x$

Rearrange and put like terms together.

Organize the terms from the greatest to the smallest power.

$4x^{2} + 3x − 3$

1. $8x^2+3x−13x^2+10x^2−25x−x$

Follow the steps in part (a).

$5x^{2} − 23x$

1. $4x+3y$

Are there any like terms to combine?

1. $20+3xy−3+4y^2+10−2y^2$