Factor GCFs Out of Polynomials

What is the GCF of 18k and 15k³

• 3k²

• 3k³

• 3k

• 5k

Factor:

56a³-8a

• 8a²(56a³-8a)

• 8a(7a²-1)

• 8a(7a³-a)

• 8a²(35a²-a)

Factor
12x + 9

• 3(4x + 3)

• x(12+9)

• 3(4x - 3)

• not factorable

What is the GCF? 5x²+20x

• 5

• x

• 5x

• 20x

What is the GCF?
6w³ - 14w

• 6w

• 4

• 2w

• 3w

x² - 5x

• (x - 5)

• (x - 5x)

• (x - 5)

• x²(1 - 5)

x² - 16

• Prime

• ( x - 4) ( x + 4) 

• ( x - 8) ( x + 8) 

• ( x - 4) ( x - 4) 

Factor completely:

3x² + 18x +15

• 3(x² + 6x + 5)

• (x + 5)(x + 1)

• 3(x + 5)(x + 1)

• Prime