FACTORIZE 2

Factorize 289x² - 169y²

Solution

we use difference of two squares a² – b² = (a - b)(a + b)

289x²- 169y²  = 17²x² - 13²y²

                   = (17x)² - (13y)²

                   = (17x - 13y)( 17x + 13y)

Hence 289x² - 169y² = (17x - 13y)(17x + 13y)

TRY THIS………………………….

factorize 121c²- 49d²