Factoring: GCF & Diff of Squares

Factor 7x + 21 using the GCF

• 7(x+3)

• 7x + 3

• 3(x + 7)

• x(7 + 3)

Tags

CCSS.7.EE.A.1

What is the GCF of 18xy and 12x

• 3

• 3x

• 6x

• 2x

Tags

CCSS.6.NS.B.4

What is the GCF of 28ab and 42b

• 4b

• 6b

• 7b

• 14b

Tags

CCSS.6.NS.B.4

Factor:
x² - 5x

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

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor by using GCF:
8n³ + 2n²

• 2n²(4n-1)
• 2n²(4n + 1)
• n²(8n+2)
• 3n(4n+1)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.APR.A.1

Factor by using GCF:

10x² + 15x - 5

• 25(10x³+45x-15)

• 5(2x³ + 3x²-x)

• x(10x³+15x-5)

• 5(2x²+3x-1)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

3x³ + 9x² - 15x 

• x(3x² + 9x - 15) 
• 3x(x² + 3x - 5)
• 3x(x² - 9x + 15) 
• x(3x² -9x + 15) 

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

Find the GCF of 64 and 144

• 8
• 6
• 16
• 2

Tags

CCSS.6.NS.B.4

What is ALWAYS the first step when factoring?

• Look for the GCF

• Write a, b, and c

• Difference of squares

• Group

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor 4x²-9

• (4x-9)(4x+9)

• (2x-3)(2x+3)

• 2x-3

• (2x-4.5)(2x+4.5)

Tags

CCSS.HSA.APR.C.4