Factoring Special Cases

Factor:
x² - 25

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

Tags

CCSS.HSA.APR.C.4

Factor:
x² - 16

• Prime
• ( x - 4) ( x + 4) 
• ( x - 8) ( x + 8) 
• ( x - 4) ( x - 4) 

Tags

CCSS.HSA.APR.C.4

Factor:
x² + 81

• Prime (not factorable)
• ( x - 9 ) ( x + 9 ) 
• ( x + 9 ) ( x + 9 ) 
• ( x - 9 ) ( x - 9 ) 

Tags

CCSS.HSA.APR.C.4

Factor:  $x^2-121$  

•  $\left(x-11\right)^2$  

•  $\left(x+11\right)\left(x-11\right)$  

•  $\left(x-60.5\right)\left(x+60.5\right)$  

•  $\left(x+11\right)^2$  

Tags

CCSS.HSA.APR.C.4

 $a^2-10a+25$  Factor:

•  $\left(a-5\right)\left(a+5\right)$  

•  $\left(a+5\right)^2$  

•  $\left(a-5\right)^2$  

•  $\left(a-10\right)^2$  

Tags

CCSS.HSA.APR.C.4

 $16x^2-81$  Factor:

•  $\left(4x-9\right)^2$  

•  $\left(2x-9\right)^2$  

•  $\left(4x\ +\ 9\right)^2$  

•  $\left(4x+9\right)\left(4x-9\right)$  

Tags

CCSS.HSA.APR.C.4

 $49x^2-144$  Factor:

•  $\left(7x-12\right)^2$  

•  $\left(7x+12\right)^2$  

•  $\left(7x-12\right)\left(7x+12\right)$  

•  $\left(4x+11\right)^2$  

Tags

CCSS.HSA.APR.C.4

Factor:  $x^2-18x+81$  

•  $\left(x-9\right)^2$  

•  $\left(x-9\right)\left(x+9\right)$  

•  $\left(x+9\right)^2$  

•  $\left(x+18\right)\left(x-18\right)$  

Tags

CCSS.HSA.APR.C.4

• A

• B

• C

• D

Tags

CCSS.HSA.APR.C.4

• A

• B

• C

• D

Tags

CCSS.HSA.APR.C.4