FACTORIZING 5

Evaluate 1167² – 833²

Solution

We apply difference of  two squares: a² - b² = (a-b)(a+b).

1167² – 833² = (1167 + 833)( 1167 - 833)

                     = (2000)( 334)

                     = 668000

Hence 1167² – 833² = 668000

TRY THIS……………………

Evaluate 1254² – 746²