simplify the expression and find it's value when x=-1and y=2 2x2-3y+3x2+5y2+5x-7-7x+2y
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Root tubers are characterized by swollen roots which store their nutrients. Examples of edible root tubers include sweet potatoes/batatas and cassava/manioc (root tuber). Other plants growing from tuberous roots (that aren't edible) include dahlias, daylilies, peonies, cyclamen, and tuberous begonias
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