Simplify : (iv). (1/3y square - 4/7y + 5) - (2/7y- 2/3 y square + 2) -(1/7y-3+2y square)
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=(1/3+2/3+2/1)y2+(2/4y-2/7y-1/7y)+(5+2-3
(L. c. m)
=(1+2+6/3)y2+(-14-8-4/28)+(5+2-3)
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