Adding and Subtracting Polynomials Real World Problems

(5x + 2) + (4x + 5)

• 9x -7

• -9x-11

• 9x+7

• x+7

What is the perimeter of the rectangle?

**Perimeter is the SUM of ALL sides!***

• x² + 8x - 5

• 2x² + 16x - 10

• 2x² + 10x - 8

• 6x - 2

(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3

• -7n² - 8n + 3

• -6n² - 8n + 3

• -7n² - 4n + 3

Combine like terms to simplify:

(5x + 2) + (4x - 5)

• 9x -3

• -9x-7

• 9x+7

• x+7

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

• 2x² + 3x +1

• -2x² - 11x -4

• 2x² + 5x -7

• -2x² + 11x -4

What is (-2y² + 7y - 1) + (3y² - 5y + 9)

• y² - 2y + 9

• y² + 2y - 9

• y² - 2y + 8

• y² + 2y + 8

What is (3x² + 2x - 6) - (2x² - 3x + 1)

• x² + 5x + 5

• x² - 5x - 7

• x² + 5x - 7

• x² - 5x + 7

Find the sum.
(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1

• 2x³ + 1x² - 5x + 9

• 6x³ + 1x - 1x² - 3

• 3x⁵ +1x - 1x⁵ - 3x

What is (5x²-2x-4) + (x² - 2x + 3)

• 6x² - 4x - 1

• 6x² + 4x + 1

• 6x² - 4x + 1

• 6x² + 4x - 1

To subtract polynomials, we ____ the _________ by distributing a ____.

(USE YOUR NOTEBOOK)