Adding and Subtracting Algebraic Expressions

(-4x + 3) + (10x - 12)

• -10x + 8

• 6x - 9

• 15x + 7

• 8x - 14

(-2x - 1) - (x - 7)

• -3x + 6

• -x + 6

• -3x - 8

• -x - 8

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

• 3x - 3

• 3x - 13

• 3x + 13

• 3x + 3

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

• 0

• -16x + 2

• 2

• -16x

(-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 the perimeter of a rectangle with side lengths (-3x + 1) and

(2x - 5)

• 1x + 6

• -x - 4

• -x + 4

• -x - 6

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

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

• 11x⁴  + 2x² + 14x

• 16x⁴  + x² + 14x

• 11x⁴  + x² + 14x

• 11x⁴  + 2x² + 10x