Difference of Squares

4a² - 25

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

x² + 81

• ( x - 9 ) ( x - 9 )

• ( x - 9 ) ( x + 9 )

• ( x + 9 ) ( x + 9 )

• Can't factor using Diff. of Squares

w⁴ - 625

• (w² + 25) (w² - 25)
• (w² - 25) (w² - 25)
• (w + 25) (w - 25)
• Can't factor using Diff. of Squares

9n² + 1

• (3n + 1) (3n - 1)
• (3n - 1) (3n - 1)
• (n + 3) (n - 3)
• Can't factor using Diff. of Squares

Find the factors of x² - 144.

• (x + 12)(x + 12)

• (x - 24)(x + 24)

• (x + 12)(x - 12)

• (x + 24)(x - 24)

Find the factors of k² - 49.

• (k + 7)(k - 7)

• (k + 5)(k - 5)

• (k - 7)(k - 7)

• (k - 13)(k + 13)

Find the factors of d² - 25.

• (d + 13)(d - 13)

• (d + 7)(d - 7)

• (d + 5)(d - 5)

• (d - 13)(d + 13)

Find the factors of y² - 169. Select all that apply.

• (y + 13)(y - 13)

• (y + 7)(y - 7)

• (y + 5)(y - 5)

• (y - 13)(y - 13)

Find the factors of x² - 16. Select all that apply.

• (x - 4)(x - 4)

• (x + 4)(x + 4)

• (x + 4)(x - 4)

• (x - 8)(x + 8)

Find the factors of x² - 64.

• (x + 8)(x - 8)

• (x - 4)(x + 4)

• (x - 8)(x - 8)

• (x + 4)(x - 4)