Factoring and Difference of Squares

36x² - 64

• (6x - 8)(6x + 8)

• 4(3x - 4)(3x + 4)

• Not Factorable

• (9x - 16)(9x + 16)

49n² - 25

• Not Factorable

• (3n + 5)(3n - 5)

• (7n + 5)(7n - 5)

• (5n + 7)(5n - 7)

( 4x² - 4 ) = ( 2x - 2 ) ( 2x + ___)

If the area of your garden is ( d^{2 _} 16 ) and the length is

( d + 4) , what is the width?

• ( d+ 2)

• ( d - 2)

• ( d + 4)

• (d - 4)

x² - 400

• ( x - 200) ( x + 200) 

• ( x + 20) ( x + 20) 

• Prime

• ( x - 20) ( x + 20) 

x² - 9

• (x + 3) (x - 3)

• (x - 3) (x - 3)

• (x + 3) (x - 6)

• Can't factor using Diff. of Squares

Which of the following are in the form of difference of squares? Select all that apply.

• (x - 3)(x + 3)

• (2d - 5)(2d - 5)

• (f + 6)(f - 6)

• (k² - 10)(k² + 10)

• (y + 1)(y + 1)

Factor x² – 16.

• (x + 2)(x – 8)

• (x – 4)(x – 4)

• (x + 4)(x + 4)

• (x + 4)(x – 4)

4a² - 25

• (2a + 5) (2a - 5)

• (2a - 5) (2a - 5)

• (x + 5) (x - 5)

• Can't factor using Diff. of Squares

Factor:
 n² + 10n + 25

• (n + 5)(n - 5)

• (n + 25)(n + 1)

• (n - 5)²

• (n + 5)²