Monday 26 June 2017

FACTORIZE 1


Factorize 81-V2

Solution

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

81-V2 = 92-V2       

        = (9 - V)(9 + V)

Hence 81 - V2 = (9 - V)(9 + V)


TRY THIS…………….



Factorize 64 - Z2

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