Factor:
x² - 9

• ( x -9) (x - 9)
• (x + 3) (x + 3)
• (x + 3) (x - 3)
• ( x + 9) (x-9)

Tags

CCSS.HSA.APR.C.4

x² - 400

• ( x - 200) ( x + 200) 
• ( x + 20) ( x + 20) 
• Prime
• ( x - 20) ( x + 20) 

Tags

CCSS.HSA.APR.C.4

Factor $36m^2-1$  

•  $\left(6m-1\right)\left(6m+1\right)$  

•  $18m-1$  

•  $1\left(36m^2\right)$  

•  $\left(1-6m\right)\left(1+6m\right)$  

Tags

CCSS.HSA.APR.C.4

Factor:

16n² - 25

• (16n - 25)(16n + 25)

• (8n - 5)(8n + 5)

• (4n + 5)(4n - 5)

• Not Factorable

Tags

CCSS.HSA.APR.C.4

Factor x² - 25 (DOTS)

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

Tags

CCSS.HSA.APR.C.4

Factor 81m² - 1 (DOTS)

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

Tags

CCSS.HSA.APR.C.4

Factor x² - 100

• (x + 10)(x - 10)
• (x + 10)(x + 10)

Tags

CCSS.HSA.APR.C.4

Factor x² - 4

• (x+2)
• (x + 2)(x - 2)

Tags

CCSS.HSA.APR.C.4

Fully Factor the Following
25x²-81

• (5x-9)²
• (5x+9)(5x-9)
• 25(x-9)²
• (9x+5)(9x-5)

Tags

CCSS.HSA.APR.C.4

9x² - 49y⁶

• ( 3x + 7y³) (3x + 7y³) 
• ( 3x - 7y³) (3x + 7y³) 
• ( 3x - 7y³) (3x - 7y³) 
• Prime

Tags

CCSS.HSA.APR.C.4