Adding, Subtracting Polynomials

• 3n²+4n

• -3n²+4n

• 3n²+20n

• 3n²-4n

Combine like terms to simplify:
 (5x + 2) + (4x + 5)

• 9x -7

• -9x-11

• 9x+7

• x+7

5x²+ x - x²+ 4x

• 6x² + 5x

• 4x² + 3x

• 4x² + 5x

• 5x² + 5x

(6b³ + 6 - b⁴) - (8b³ - 6b⁴ + 2)

• 4b⁴ - 2b³ + 7

• 5b⁴ - 2b³ + 4

• b⁴ - 2b³ + 7

• 5b⁴ - 2b³ + 7

Simplify each expression.
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 

• -7n² - 8n + 3 

• -6n² - 8n + 3

• -7n² - 4n + 3

Find the sum. 
(3 - 2x + 2x²) + (4x - 5 + 3x²)

• 7x - 7x + 5x²

• 5x² + 2x - 2

• 5x²

• 5x² + 6x + 8

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

• 6x² + 8x

• 8x² + 6x

• 2x² + 6x

• 2x² + 8x

(6x + 4x⁴ - 3x²) + (7x⁴ + 5x² + 8x)

• 11x⁴ + 2x² + 14x

• 16x⁴ + x² + 14x

• 11x⁴ + x² + 14x

• 11x⁴ + 2x² + 10x

Add or Subtract to Simplify:

(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3

• 8n⁴ - 8n² - 8n + 5

• -6n² - 8n + 3

• -7n² - 4n + 3

Subtract the following polynomials: (6x² + 10x - 9) - (4x² - 13)

• 2x² + 10x - 22

• 10x² + 10x - 22

• 2x² + 10x - 4

• 2x² + 10x + 4