Prove that (2x - 4)² - 1 = (2x - 3)(2x - 5) is an identity.

(2x - 4)² - 1 = (2x - 3)(2x - 5)

 

Prove that {(12x - 19)² - 1} / 24 = (2x - 3)(3x - 5) is an identity.

{(12x - 19)² - 1} / 24 = (2x - 3)(3x - 5)

 

Prove that {(12x - 25)² - 25} / 24 = (2x - 5)(3x - 5) is an identity.

{(12x - 25)² - 25} / 24 = (2x - 5)(3x - 5)

 

Prove that {(15x - 8)² - 4} / 15 = (3x - 2)(5x - 2) is an identity.

{(15x - 8)² - 4} / 15 = (3x - 2)(5x - 2)

 

Prove that {(30x - 19)² - 1} / 60 = (3x - 2)(5x - 3) is an identity.

{(30x - 19)² - 1} / 60 = (3x - 2)(5x - 3)

 

Prove that {(10x - 5)² - 1} / 4 = (5x - 2)(5x - 3) is an identity.

{(10x - 5)² - 1} / 4 = (5x - 2)(5x - 3)

 

Prove that {(12x - 19)² - 121} / 24 = (2x - 5)(3x - 2) is an identity.

{(12x - 19)² - 121} / 24 = (2x - 5)(3x - 2)

 

Prove that {(6x - 7)² - 9} / 4 = (3x - 2)(3x - 5) is an identity.

{(6x - 7)² - 9} / 4 = (3x - 2)(3x - 5)

 

Prove that {(20x - 31)² - 361} / 40 = (2x - 5)(5x - 3) is an identity.

{(20x - 31)² - 361} / 40 = (2x - 5)(5x - 3)

 

Prove that {(20x - 19)² - 121} / 40 = (2x - 3)(5x - 2) is an identity.

{(20x - 19)² - 121} / 40 = (2x - 3)(5x - 2)

 

Prove that {(20x - 21)² - 81} / 40 = (2x - 3)(5x - 3) is an identity.

{(20x - 21)² - 81} / 15 = (2x - 3)(5x - 3)

 

Prove that {(30x - 31)² - 361} / 60 = (3x - 5)(5x - 2) is an identity.

{(30x - 31)² - 361} / 60 = (3x - 5)(5x - 2)

 

Prove that {(12x - 13)² - 25} / 24 = (2x - 3)(3x - 2) is an identity.

{(12x - 13)² - 25} / 24 = (2x - 3)(3x - 2)

 

Prove that {(20x - 29)² - 441} / 40 = (2x - 5)(5x - 2) is an identity.

{(20x - 29)² - 441} / 40 = (2x - 5)(5x - 2)

 

Prove that {(15x - 17)² - 64} / 15 = (3x - 5)(5x - 3) is an identity.

{(15x - 17)² - 64} / 15 = (3x - 5)(5x - 3)