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E(x) = (x + 3)2 + (2x - 1)2 + (3 - x)(2x - 1) – 2x(x + 4), 2 + +7 oricare ar GrR R. ​

Ex X 32 2x 12 3 X2x 1 2xx 4 2 7 Oricare Ar GrR R class=