FACTORIZING 1

Factorize 625x² - 49y²

Solution

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

625x²- 49y²  = 25²x² - 7²y²

                   = (25x)² - (7y)²

                   = (25x - 7y)( 25x + 7y)

Hence 625x² - 49y² = (25x - 7y)(25x + 7y)

TRY THIS………………………….

factorize 81m²- 36n²