4 Efectuați calculele: -2 X x+2 a) b) c) + x-2 x² +2 2x X 2-x 2 x² 2x+4 2-x X + 1 x²-4x+4° 4 x² + 2x + 4x-4 (x-1)²-11
URGENT VA ROG
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