Adding and Subtracting Algebraic Expressions

(9x + 5) - (6x - 8)

• 3x - 3

• 3x - 13

• 3x + 13

• 3x + 3

(-8x + 1) - (8x - 1)

• 0

• -16x + 2

• 2

• -16x

-6x - 11) - (-2x - 4)

• -4x - 7

• -8x - 7

• -4x - 15

• -8x - 15

(-m + 3) + (7m - 1)

• -8m + 2

• -8m + 4

• 6m + 2

• -6m + 2

(3d - 5) + (d + 3)

• 4d + 8

• 2d + 8

• 2d - 2

• 4d - 2

Write an algebraic expression in simplest form for a rectangle with side lengths (3x - 4) and (2x + 1)

• 5x + 3

• 5x + 5

• 5x - 3

• 5x - 5

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

• 11x⁴  + 2x² + 14x

• 16x⁴  + x² + 14x

• 11x⁴  + x² + 14x

• 11x⁴  + 2x² + 10x

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

Add the polynomials.
(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1

• 2x³ + 1x² - 5x + 9

• 6x³ + 1x - 1x² - 3

• 3x⁵ +1x - 1x⁵ - 3x

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

• 9x -7

• -9x-11

• 9x+7

• x+7