Combing Polynomials with Variables and Exponents

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Simplify by combining like terms:
4x² - 3x + 11 -2x

• 4x² - 5x + 11
• 11x + 11
• 16x² - 5x + 11
• 10x²

Add or Subtract to Simplify:  5x + 2 + 4x + 5

• 9x -7
• -9x-11
• 9x+7
• x+7

Add or Subtract to Simplify:  x² + 6x - 8 + 7 - 5x + 9x²

• 10x² - x - 1 
• 10x² + x - 1 
• 8x² + 11x - 1 
• 10x² - 11x - 1 

Add or Subtract to Simplify:  x + 2x² + 4x² + 7x

• 6x² + 8x
• 8x² + 6x
• 2x² + 6x
• 2x² + 8x

Add or Subtract to Simplify:  4x - 2x³ + 5x³ - 4x + 5

• 3x³ + 5
• 3x³ + 8x + 5
• 3x² + 5
• 7x³ + 8x + 5

Add the polynomials. 3x³ + 3x² – 4x + 5 + x³ – 2x² + x – 4

• 4x³ + 1x² – 3x + 1
• 2x³ + 1x² - 5x + 9
• 6x³ + 1x - 1x² - 3
• 3x⁵ +1x - 1x⁵ - 3x

Which of the following are examples of like terms?

• 2 and 2x
• y³ and x³
• y and x
• -3x and 3x

Simplify: x-2 + x²+3

• x²+x+1
• x³+5
• x³+1
• x³-1

Simplify the expression. 4a³ - 8a - 4a² + 7a³ - 7 - 6a

• 11a³ - 4a² - 14a - 7 
• 5a³ - 4a² - 14a - 7 
• 5a³ - 4a² - 20a - 7 
• 5a³ - 9a² - 20a - 7