Factor Completely GCF and Dots

Factor the Following completely (GCF and DOTS)

4x²-16

• (2x-4)(2x+4)

• (4x-4)(4x+4)

• 4(x-2)²

• 4(x-2)(x+2)

When factoring we always look for what first?

• DOTS

• GCF

• Factor By Grouping

Factor:

x² - 9

• ( x -9) (x - 9)

• (x + 3) (x + 3)

• (x + 3) (x - 3)

• ( x + 9) (x-9)

Factor x² - 25

• ( x + 5 ) ( x - 5 )

• ( x - 5 ) ( x - 5 )

• ( x + 5 ) ( x + 5 )

• Prime

Factor completely: 3x² - 75

• 3( x + 5 ) ( x - 5 )

• Prime

• ( x + 5 ) ( x - 5 )

• 3( x - 5 ) ( x - 5 )

Factor the Polynomial:

121r² - 64t²

• (11r + 8t)(11r - 8t)

• (11r - 8t)(11r - 8t)

• (11r + 8t)(11r + 8t)

• Prime

Factor:
x² - 16

• Prime

• ( x - 4) ( x + 4) 

• ( x - 8) ( x + 8) 

• ( x - 4) ( x - 4) 

Factor

c² - 3c + 2

• (c - 3)(c + 1)

• (c + 2)(c + 1)

• (c + 3)(c -1)

• (c - 1)(c - 2)

Factor

a² - a - 12

• (a - 4)(a + 3)

• (a + 6)(a - 4)

• (a - 6)(a + 4)

• (a + 4)(a - 3)

Factor completely:
4x² - 121

• (2x + 11) (11 - 2x)

• (2x - 11) (2x - 11)

• (2x + 11) (2x + 11)

• (2x + 11) (2x - 11)