math

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:
 2n²-8n³

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

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor
81m² - 1 

• not factorable
• (m-9)(m+9)
• 9m(9m-1)
• (9m-1)(9m+1)

Tags

CCSS.HSA.APR.C.4

x² - 25

• ( x + 5 ) ( x - 5 ) 
• ( x - 5 ) ( x - 5 ) 
• ( x + 5 ) ( x + 5 ) 
• Prime

Tags

CCSS.HSA.APR.C.4

9x² - 49y²

• ( 3x + 7y) (3x + 7y) 
• ( 3x - 7y) (3x + 7y) 
• ( 3x - 7y) (3x - 7y) 
• Prime

Tags

CCSS.HSA.APR.C.4

3x(x+1) + 4(x+1)

• 12x(4x+1)

• (3x+4)(x+1)

• 3x²+7x+2

• 7x+x+1

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

6xy - 8x + 15y - 20

• (3y + 4)(2x - 5)
• (3y - 4)(2x + 5)
• (2y - 4)(3x + 5)
• (2y + 5)(2y - 4)

2x² + 2x + 3x + 3

• (2x +1)(2x + 3)
• (2x + 2)(x + 1)
• (x + 3)(2x + 1)
• (x + 1)(2x + 3)

4b² - 12b + 2b - 6

• (b - 3)(4b + 2)
• 2(2b + 1)(b - 3)
• (4b + 3)(b - 2)
• (4b - 3)(b + 2)

Factor by grouping:
x³ + 7x² - 2x - 14

• (x² - 2) (x - 7)
• (x² + 2) (x - 7)
• (x² + 2) (x + 7)
• (x² - 2) (x + 7)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3