Ответ:
у(2)=3×2²+2×2-7=3×4+4-7=12+4-7=9
у(-3)=3×(-3)²+2×(-3)-7=3×9-6-7=27-6-7=14
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Ответ:
у(2)=3×2²+2×2-7=3×4+4-7=12+4-7=9
у(-3)=3×(-3)²+2×(-3)-7=3×9-6-7=27-6-7=14