Factoring out the GCF

What is the GCF of 28x and 42?

• 4x

• 6x

• 7

• 14

What is the GCF of 18k² and 15k³?

• 3k²

• 3k³

• 3k

• 5k

Factor the GCF:

7x - 35

• 7x (x - 5)

• 7 (x - 5)

• 7 (7x - 35)

• x (7x - 35)

Tags

CCSS.7.EE.A.1

Factor:
10x + 15

• 100x + 150

• 10(x + 5)

• 1(10x + 15)

• 5(2x + 3)

Tags

CCSS.7.EE.A.1

Tags

CCSS.7.EE.A.1

Factor by using GCF:

8r³ + 16r²

• 4r²(2r + 4)

• 8r²(r + 2)

• 8(r³ + r²)

• 4(r³ + 2r²)