Adding & Subtracting Polynomials

The answer to Problem 1 is:

• 9c²+4

• 6c²+14

• 6c²+6c+14

• 6c²+4

The answer to Problem 4 is:

• 4x²+21x+9

• 19x²+8x+9

• 5x²+21x+4

• 5x²+21x

The answer to Problem 5 is:

• A

• B

• C

• D

The answer to Problem 6 is:

• 2x²+5x-9

• 3x²-3x-5

• 4x²-5x-9

• 4x²-4x-5

The answer to Problem 8 is:

• 10.5x + 8

• 11x+16

• 7x+8

• 10x+16