Polynomial Review

Add or Subtract to Simplify:
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 
• -7n² - 8n + 3 
• -6n² - 8n + 3
• -7n² - 4n + 3

The length of a rectangle is x + 2 units and the width is 3x + 7
 units. Find the area.

• 3x² + 9x + 14 square units
• 3x² + 13x + 14 square units
• 4x + 9 square units
• 8x + 18 square units

(x + 5)²

• x² + 25

• x² + 10x + 25

• x² + 10 x + 10

• x² + 10

• x+7

• x+2

• X-10

• X-7

Factor
-8x²y² + 32yz + 40y

• 8z(-x² + 4z +1)
• 8y(-4x²y² + 16yz + 20y)
• 8y(-x²y + 4z + 5)
• 4y (-2x²y + 40z + 10)