Adding and Subtracting Polynomials 2

Find the sum. (2x² + 5x - 7) + (3 - 4x² + 6x)

• 2x² + 3x + 1

• -2x² - 11x - 4

• 2x² + 5x - 7

• -2x² + 11x - 4

Find the sum. (3y² + y³ - 5) + (4y² - 4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3

• 4y² + 3y³ - y + 3

• -y⁴ + 2y³ - y - 4

• 4y³ + 3y² - 3y + 1

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

• x² + 6x + 8

• 2x² + 5x - 7

• -x² - 6x + 8

• -2x² + 11x - 4

Add the polynomials.
(2x + 5y) + (3x - 2y)

• 3x + 5y
• 5x + 3y
• 5x + 7y
• 7xy + 1xy

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

• -8n² - 8n + 3 
• -7n² - 8n + 3 
• -6n² - 8n + 3
• -7n² - 4n + 3

Subtract 8b³ - 6b⁴ + 2 from 6b³ + 6 - b⁴.

• 4b⁴ - 2b³ + 7
• 5b⁴ - 2b³ + 4
• b⁴ - 2b³ + 7
• 5b⁴ - 2b³ + 7

Simplify each expression. 
(6x + 4x⁴ - 3x²) + (7x⁴ + 5x² + 8x)

• 11x⁴  + 2x² + 14x
• 16x⁴  + x² + 14x
• 11x⁴  + x² + 14x
• 11x⁴  + 2x² + 10x

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

6m + 3z + 4m + 2w - 5z

• 10m + 2z - 2w

• m + z + w

• 10m - 2z + 2w

• 2m - 2z + 2w

Simplify the expression (8p + 7 + 8p²) - (p + 4p⁴ - 6p²) + (2p² + p + 1)

• -4p⁴ + 16p² + 10p + 20

• -4p⁴ + 16p² + 10p + 8

• -4p⁴ + 16p² + 8p + 8

• -4p⁴ + 16p² + 10p + 12