FACTORIZING-4

Factorize 1-25m²

Solution

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

1-m² = 1²-25m²       

        = 1²-5²m²      

        = 1²-(5m)²       

        = (1 - 5m)(1 + 5m)

Hence 1 - 25m² = (1 - 5m)(1 + 5m)

TRY THIS…………….

Factorize 16 - 4y²