Adding and Subtracting Polynomials

Which one is equivalent to:
(4x²-3x+8) - (3x² - 5)

• x² - 3x - 3
• 7x² - 3x - 3
• x² - 3x + 3
• x² - 3x + 13

Which one is equivalent to
(9x² - 4x + 5) - (2x² + 3)

• 7x² - 4x + 2
• 7x² - 4x + 8
• 11x² - 4x + 8
• 11x² - 4x + 2

Which one is equivalent to
(3x² - 5x + 9) +
(7x² + 8x - 15)

• 10x² + 3x  - 6 
• 10x² - 3x + 6
• 10x² - 3x - 6
• 10x² + 3x + 6

Which one is equivalent to 
(12x - 3) - (2x - 5)

• 8x - 8
• 8x - 2
• 10x + 2
• 10x - 2

Which one is equivalent to
(8x - 9) + (7x + 4)

• 15x - 5
• 15x + 5
• 15x  - 15
• 15x  + 15

Which one is equivalent to
(52x - 14) + (25x -7)

• 27x - 21
• 27x + 21
• 77x - 21
• 77x + 21

What is the difference between 3x² - 4x - 5 and 2x² - 7x - 3?

• -x² - 3x + 2
• x² + 3x - 2
• x² - 11x - 8
• x² - 3x - 2

Hint: Square has 4 equal sides!  Add them all together!

• A
• B
• C
• D

Hint: Perimeter = add all sides together

• A
• B
• C
• D

Hint: Square has 4 equal sides! Add them all together to get the perimeter!

• A
• B
• C
• D