### Home > CCA > Chapter 3 > Lesson 3.2.1 > Problem3-33

3-33.

Copy and simplify the following expressions by combining like terms. Using or drawing sketches of algebra tiles may be helpful. Homework Help ✎

1. $2x+3x+3+4x^2+10+x$

• 4x2 + (2x +3x +x) +13

• 4x2 + 6x + 13

1. $4x+4y^2+y^2+9+10+x+3x$

• (4y2 + y2) + (4x + x +3x) + (9 + 10)

• 5y2 + 8x + 19

1. $2x^2+30+3x^2+4x^2+14+x$

• Refer to parts (a) and (b).

1. $20+5xy+4y^2+10+y^2+xy$

• Refer to parts (a) and (b).