Ответ:
(3 x³ +1)²+(x²-3)²=9+6х³+1+-6х²+9=9+6х³+10+-6х²=9++6x³-6х²+10;
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Verified answer
Ответ:
(3 x³ +1)²+(x²-3)²=9
+6х³+1+
-6х²+9=9
+6х³+10+
-6х²=9
+
+6x³-6х²+10;