Adding and Subtracting Polynomials

Combine like terms to simplify:

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

• 9x -7

• -9x-11

• 9x+7

• x+7

(5x - y) + (2x + 6y)

• 7x + 7y

• 7x + 5y

• 7x + 6y

• 3x - 5y

(10m - 7n) + (2m - n)

• 12m - 8n

• 12m - 6n

• 12m + 8

• 12m - 6

Combine like terms to simplify:

(12x + 7) + (3x + 8)

• 15x + 15

• 15x + 7

• 15x - 15

• 15x + 8

(4x + 3) + (x - 5)

• 5x + 2

• 5x - 2

• 5x + 8

• 5x - 8

Combine like terms to simplify:

(9x + 11) + (x - 3)

• 10x + 14

• 9x + 14

• 9x + 8

• 10x + 8

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

• -4x +6y + 6z

• 4x + y + 6z

• -4x - y + 6z

• -4x + y + 6z

( 6x + 3 ) + ( - 2x + 5 )

• 8x + 8

• 4x + 9

• 4x + 10

• 4x + 8

( 3x + 7 ) + ( 6x + 7 )

• -3x + 14

• 9x - 14

• 9x

• 9x + 14

( 4x³ - 5x² + 3x ) + ( - 2x³ - x² + 6x )

• 2x³ - 6x² - 9x

• 2x³ + 6x² + 9x

• -2x³ - 6x² + 9x

• 2x³ - 6x² + 9x