3. Simplify the expressions and evaluate
them as directed :
(i) x(x - 3) + 2 for x = 1
(ii) 3y(2y - 7)-3 -4) - 63 for y = 2
(ii) 7x (x2 - x + 1) for x = -1 and x = 2
(iv) 3y2 (3y + 3) + 53 for y = -1
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it can done by transportation method and form eqation and then simplify
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