text: ### Home > CC2MN > Chapter 6 Unit 6A > Lesson CC3: 6.1.1 > Problem6-5
  
  6-5.
  
  Copy and simplify the following expressions by combining like terms. Using algebra tiles may be helpful.
  
  1. $3+4x+2+2x+2x$
  
  $8x+5$
  
  1. $8x+4-3-x$
  
  See part (a).
  
  1. $7x^2+3x+4+7x^2+3x+4$
  
  See part (a).
  
  $14x^2+6x+8$
  
  1. $5x+4+x+x^2+1$
  
  See part (a).
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