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let x- 2y be t.
9t^2-4t -13
9t^2+13t-9t-13
t(9t+13)-1(9t+13)
(t-1)(9t+13)
(x-2y-1)(9(x-2y)+13)
(x-2y-1)(9x-18y+13) ans.
if you have any problem regarding this solution then comment..
9t^2-4t -13
9t^2+13t-9t-13
t(9t+13)-1(9t+13)
(t-1)(9t+13)
(x-2y-1)(9(x-2y)+13)
(x-2y-1)(9x-18y+13) ans.
if you have any problem regarding this solution then comment..
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