Factor Binomials

x² - 25

• ( x + 5 ) ( x - 5 )

• ( x - 5 ) ( x - 5 )

• ( x + 5 ) ( x + 5 )

• Unfactorable

Tags

CCSS.HSA.APR.C.4

x² - 225

• ( x + 15) ( x + 15)

• Unfactorable

• ( x - 15) ( x + 15)

• ( x - 15) ( x - 15)

Tags

CCSS.HSA.APR.C.4

x² + 81

• Unfactorable

• ( x - 9 ) ( x + 9 )

• ( x + 9 ) ( x + 9 )

• ( x - 9 ) ( x - 9 )

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)

3x² - 75

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

Tags

CCSS.HSA.APR.C.4

Factor 4y² – 9

• (2y + 3)(2y – 3)

• prime

• (2y + 3)(2y + 3)

• (2y – 3)(2y – 3)

Factor 18k + 42k²

• 3(6k + 14k²)

• 6(3k + 7k²)

• k(18 + 42k)

• 6k(3 + 7k)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

• x
• 2