Factoring Conjugate

Factor:
x² - 49

• (x + 7)(x - 7)

• (x + 7)²

• (x - 7)²

• (x+7)(x-1)

Which of the following is a correct rewriting or form of the binomial, x² - 169 ?

• (x + 13) (x - 13)

• (x + 13)²

• (x - 14) (x - 13)

• All of the above

Factor x² – 16.

• (x + 2)(x – 8)

• (x – 4)(x – 4)

• (x + 4)(x + 4)

• (x + 4)(x – 4)

Fully Factor the Following
25x²-81

• (5x-9)²

• (5x+9)(5x-9)

• 25(x-9)²

• (9x+5)(9x-5)

36m² - 9
(Check for a GCF)

• (6m + 3)(6m - 3)

• 9(4m² - 1)

• 9(2m - 1)(2m + 1)

• Not Factorable

Factor 4x²-9

• (4x-9)(4x+9)

• (2x-3)(2x+3)

• 2x-3

• (2x-4.5)(2x+4.5)

What strategy would be advisable as a good first step toward verifying this identity?

• conjugate pair

• common denominator

• common factor

• factoring patterns

• replace reciprocals with one

What strategy would be advisable as a good first step toward verifying this identity?

• common denominator

• conjugate pair

• replace reciprocals with one

• factoring patterns

• common factor

Factor the following completely: 36 -m^2

• (6+m)(6+m)

• (6+m)(6-m)

• (12+m)(3+m)

• (12-m)(3+m)

• (3x+16y)(3x-16y)

• (3x+4y)(3x+4y)

• (3x-4y)(3x+4y)

• (9x + 16y)(9x-16y)