The polynomial 2x³ + x² - 3 can be expressed as: 2x³ + x² + 0x - 3
The polynomial 2x² + 4x - 1 can be expressed as: 0x³ + 2x² + 4x - 1
The addition of the polynomials is computed as follows:
2x³ + x² + 0x - 3
+
0x³ + 2x² + 4x - 1
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2x³ + 3x² + 4x - 4