Factorize 625x2 - 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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