Polynomials Review

Find the sum (3 - 2x + 2x²) + (4x -5 +3x²)

• 7x -7x + 5x²

• 5x² + 2x - 2

• 5x²

• 5x² + 6x +8

Subtract:
(3x² - 3x + 2) - (-3x² + 2x - 1)

• A
  0x² - x + 1
• B
  6x² - x + 1
• C
  6x² - 5x + 3
• D
  6x² + 5x + 3

Simplify

5(3x+2)

• 3x+10

• 15x+10

• 15x-10

• 3x-10

Simplify 2x (-2x - 3)

• -4x - 3

• x² - 3

• -4x² - 6x

• -4x - 6

• x² + 5x + 6

• x² + x + 6

• x² + 6x + 6

• x² + 5x + 5

Which is the GCF in this polynomial? 3x² + 6x - 18

• 2

• 3

• 6

• 18

• 2x
  

• 3x

Factor completely.

w³ + 3w

Hint: Find the GCF first

• 3w(1)

• w(w² + 3)

• w³(w + 3)

Factor completely.

18a²-15a

• 15a(3a-1)

• 3a(6a-1)

• 3(6a-5)

• 3a(6a-5)

Factor by grouping:
4p³+8p²+3p+6

• (2p²+3)(p+2)
• (2p²+6)(p+4)
• (4p²+3)(p+2)
• (4p²+8p)(3p+6)