Intro to Polynomial Addition and Subtraction

(4x² - 6x - 8) + (3x² - 2x - 9)

• x² - 4x + 1

• 7x² - 8x - 17

• 12x² + 12x + 72

• 7x⁴ - 8x² - 17

(x⁴ - 3 - 3x³) + (-5x⁴ + 6x³ - 8x⁵)

• -8x⁵ - 4x⁴ - 9x³ - 3

• -8x⁵ + 6x⁴ + 3x³ - 3

• -8x⁵ +6x⁴ -9x³ - 3

• -8x⁵ - 4x⁴ + 3x³ - 3

(5x² + 3x - 2) - (3x² + 4x - 6)

• 2x² - x + 4

• 2x² - x - 8

• 2x² + 7x - 8

• 2x² + 7x + 4

Simplify the expression

(11x⁵ - 3x³) - (8x⁴ - 2x³ + 6x + 9)

• 11x⁵ - 8x⁴ + x³ - 6x - 9

• 11x⁵ - 8x⁴ - x³ - 6x - 9

• 11x⁵ - 8x⁴ - 5x³ + 6x + 9

• 11x⁵ - 8x⁴ - 5x³ - 6x - 9

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

• 5x² - 2x - 2

• -x² -6x + 8

• -2x² + 11x - 4

Add the polynomials.

(2x + 5y) + (3x - 2y)

• 3x + 5y

• 5x + 3y

• 5x + 7y

• 7xy + 1xy

Simplify the expression.

• -8n² - 8n + 3

• -7n² - 8n + 3

• 8n⁴ -6n² - 8n + 3

• -7n² - 4n + 3

Simplify each expression.

(6b³ + 6 - b⁴) - (8b³ - 6b⁴ + 2)

• 4b⁴ - 2b³ + 7

• 5b⁴ - 2b³ + 4

• b⁴ - 2b³ + 7

• 5b⁴ - 2b³ + 7