FACTORIZATION 11

Factorize 4x²- 100y²

solution

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

4x²- 100y² = 5²x² - 10²y²

                = (2x)² - (10y)²

                = (2x - 10y)( 2x + 10y)

Hence 4x²- 100y² = (2x - 10y)( 2x + 10y)

TRY THIS…………….

Factorize 49x²- 4y²