Factoring Intro: GCF & grouping

Factor:
56a³-8a

• 8a²(56a³-8a)
• 8a(7a²-1)
• 8a(7a³-a)
• 8a²(35a²-a)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:

80x⁵-70x²-60x⁷

• 2x²(80x³-70-60x⁶)

• 10x²(80x⁴-70x-60x⁶)

• 10x²(8x³-7-6x⁵)

• 3x²(80x³-40-60x⁵)

Factor:
 2n²-8n³

• 2n²(n-4n²)
• 2n²(1-4n²)
• 2n³(10-8n²)
• 3n(1-4n)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:
10x² + 15x-5

• 25(10x³+45x-15)
• 5(2x³ + 3x²-x)
• x(10x³+15x-5)
• 5(2x²+3x-1)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor
12x + 9

• 3(4x + 3)
• x(12+9)
• 3(4x - 3)
• not factorable

Tags

CCSS.7.EE.A.1

Factor COMPLETELY

4x² + 64

• 4(x² + 16)

• 2(2x² + 32)

• 4(x² + 64)

What is the GCF? 5x²+20x

• 5
• x
• 5x
• 20x

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the GCF? 12x+8

• 12
• 8
• 4
• x

Tags

CCSS.7.EE.A.1

Factor: 4x + 6

• 4(x + 2)

• 2(2x + 3)

• 2(2x + 4)

• 4(x + 2/3)

7r³-8r²+42r-48

• (r²+6)(7r+8)
• (r²+6)(7r-8)
• (r²+6)(r²+8)
• (r²+6)(7r+6)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2