Tuesday, 30 December 2014

DIFFERENCE OF 2 SQUARES 1


Evaluate 3962 – 3862

Solution

3962 – 3862 = (396 + 386)( 396 – 386)

                     = (782)( 10)

                     = 7820

3962 – 3862 = 7820

TRY THIS…………….


Evaluate 3082 – 1082

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