(i) (x - 4xy + y) (x - 2y) ; x = 3, y = 2 simplify and
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(X - 4xy +y) (X -2y)
(3- 4(3)(2) + 2) [3-2(2) ]
(-19) (-1) = 19
(3- 4(3)(2) + 2) [3-2(2) ]
(-19) (-1) = 19
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