Saturday, 17 March 2018

FACTORIZE 1


Factorize 625x- 169y2

Solution

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

625x2- 169y2  = 252x2 - 132y2

                   = (25x)2 - (13y)2

                   = (25x - 13y)(25x + 13y)

Hence 625x2 - 169y2 = (25x - 13y)(25x + 13y)

TRY THIS………………………….



factorize 121c2- 25d2

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