FACTORIZE 1

Factorize 625x² - 9y²

Solution

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

625x²- 9y²  = 25²x² - 3²y²

                   = (25x)² - (3y)²

                   = (25x - 3y)( 25x + 3y)

Hence 625x² - 9y² = (25x - 3y)(25x + 3y)

TRY THIS………………………….

Factorize 225c²- 36d²