Pre-Algebra Chapter

3x² - 75

• 3( x + 5 ) ( x - 5 ) 
• Prime
• ( x + 5 ) ( x - 5 ) 
• 3( x - 5 ) ( x - 5 ) 

Which of the following is NOT a perfect square trinomial?

• x² – 2x + 1 
• x² + 14x + 49 
• x² – 10x + 25 
• x² + 8x – 16 

Factor: x² + 24x + 144

• (x + 12)²
• (x + 9)²
• (x + 15)²
• (x + 13)²

Factor by grouping:

4p³+8p²+3p+6

• (2p²+3)(p+2)

• (2p²+6)(p+4)

• (4p²+3)(p+2)

• (4p²+8p)(3p+6)

Factor by grouping
x³ - 4x² -4x + 16

• (x+4)(x+2)(x - 2)
• (x-4)(x² -4) 
• (x+4)(x² -4)
• (x-4)(x-2)(x + 2)

Factor completely:
3x² - 7x - 6

• (3x + 2)(x - 3)
• (3x - 2)(x + 3)
• (3x - 3)(x + 3)
• (3x - 4)(x - 2)

What is the greatest common factor of 48x²and 32x³?

• 8x²
• 16x²
• 16x
• 96x³

Multiply.
(b+3)(b²+2b+1)

• b³+6b²+6b+3
• b³+5b²+7b+3
• 4b³+8b²+3b
• 3b³+6b²+3b

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

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

Is this a perfect square trinomial?
x² + 10x + 100

• Yes
• No