factoring

What is the GCF? 5x²+20x

• 5
• x
• 5x
• 20x

What is the GCF? 3x²-2x

• 3
• 3x
• x
• 2

Factor:
10x + 15

• 100x + 150
• 10(x + 5)
• 1(10x + 15)
• 5(2x + 3)

Factor:
x² - 5x

• 1(x - 5)
• x(x - 5x)
• x(x - 5)
• x²(1 - 5)

Factor out the GCF

3x³ + 9x

• 3x (x² + 3)

• 3x ( x³ + 9)

• x (3x² + 9)

• 3x (x³ + 3x)

Factor
k² -2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

factor:x² - 25

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

Factor
x² + 9x - 36

• (x + 12)(x - 3)
• (x + 9)(x - 4)
• (x - 12)(x + 3)
• (x - 9)(x - 4)

Factor completely:

3x²+12x+9

• 3(x+4)(x+1)

• 3(x-4)(x-1)

• 3(x+1)(x+3)

• 3(x-1)(x-3)

Factor completely:

4x²-48x+128

• 4(x+8)(x+4)

• 4(x-8)(x+4)

• 4(x-8)(x-4)

• not factorable