factoring gcf and grouping

Factor:

56a³ - 8a

• 8a²(56a³ - 8a)

• 8a(7a² - 1)

• 8a(7a³ - a)

• 8a²(35a² - a)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the greatest common factor of 42xy² and 28x³y?

• 84x³y²
• 14y
• 14xy
• 14xy²

Tags

CCSS.7.EE.A.1

Factor Completely
16x²-32x

• 8x(2x-4)
• 16(x²-2x)
• 16x(x-2)
• Prime

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the greatest common factor of 20a²b² and 50b³?

• 100a²b²
• 10b³
• 10ab²
• 10b²

Tags

CCSS.7.EE.A.1

Factor:
10a⁴+16a+10a²

• 2a(5a³⁺8+5a)
• 2a⁴(5a+8a²+5a³)
• 2a⁴(10+16a+40a²)
• 3a³(5+8a+a²)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor by Grouping:
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

CCSS.HSA.SSE.B.3

Factor by Grouping:
20x³-25x²+4x-5

• (5x²-5)(4x+1)
• 5(x²-1)(4x+5)
• (5x²+1)(4x-5)
• (5x²+1)(4x-1)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

Factor by Grouping:
30x³+15x²-18x-9

• (5x²-3)(6x+1)
• (5x²-3)(6x+3)
• 3(5x²+3)(2x-1)
• 3(5x²-3)(2x+1)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor by GCF:
6x + 24

• 2(3x+12)
• 6(x+4)
• x(6+24)
• not factorable

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