Factoring Difference of Two Squares

Factor

 $x^2\ -\ 25$  

• (x + 5)(x - 5)

• (x + 25)(x - 25)

• (25 - x )(x -25)

• Red

x² - 9

• (x + 3) (x - 3)
• (x - 3) (x - 3)
• (x + 3) (x - 6)
• Can't factor using Diff. of Squares

Tags

CCSS.HSA.APR.C.4

4a² - 25

• (2a + 5) (2a - 5)
• (2a - 5) (2a - 5)
• (x + 5) (x - 5)
• Can't factor using Diff. of Squares

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

q² - 121

• (q + 11) (q - 11)
• (q - 11) (q - 11)
• (q + 11) (q + 11)
• Can't factor using Diff. of Squares

Tags

CCSS.HSA.APR.C.4

Factor 4x²-9

• (4x-9)(4x+9)

• (2x-3)(2x+3)

• 2x-3

• (2x-4.5)(2x+4.5)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is ALWAYS the first step when factoring?

• Look for the GCF

• Write a, b, and c

• Difference of squares

• Group

Factor 4x²-16

• (2x-4)(2x+4)

• (4x-4)(4x+4)

• 4(x-2)²

• 4(x-2)(x+2)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor

 $x^2\ -\ 100$  

• (x - 10)(x + 10)

• (x - 25)(x + 4)

• (x + 50)(x -2)

• (x -20)(x + 5)