Adding and Subtracting Polynomials

(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 

• -7n² - 8n + 3 

• -6n² - 8n + 3

• -7n² - 4n + 3

Add to Simplify:

(4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5

• 3x³ + 8x + 5

• 3x² - 5

• 7x³ + 8x + 5

Add or Subtract to Simplify:

6b³ + 6 - b⁴ - 8b³ + 6b⁴ - 2

• 7b⁴ - 14b³ + 8

• 5b⁴ - 2b³ + 4

• b⁴ - 2b³ + 7

• 5b⁸ - 2b⁶ + 4

Find the sum.

3y² + y³ - 5 + 4y² -4y + 2y³ + 8

• 3y³ + 7y² - 4y + 3

• 4y² + 3y³ - y + 3

• -y⁴ + 2y³ -y - 4

• 3y⁶ + 3y⁴ -3y² + 3

Add the polynomials. Select the correct answer.

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

(2x + 5y - z) + (-6x - 4y + 7z)

• -4x +6y + 6z

• 4x + y + 6z

• -4x - y + 6z

• -4x + y + 6z

(4x³-5x²+3x)+(-2x³-x²+6x)

• 2x³-6x²-9x

• 2x³+6x²+9x

• -2x³-6x²+9x

• 2x³-6x²+9x