Mathematics, 22.01.2022 15:00 plzzhelp7931

Two students found the sum of the polynomials (-3v4 + 6v3 + 402) + (8v4 + 9v - 3v2). Which is correct. Explain the error made by the other student.
James
Shawn
-304 + 603 + 402
- 3v4 +673 + 402
-
+ 8y4 – 3v2 + 9v
+ 8v4 + Ov3 - 3vº + 9v
514 +673 + v2 + 9v
5v4 + 3v3 + 13v2

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Two students found the sum of the polynomials (-3v4 + 6v3 + 402) + (8v4 + 9v - 3v2). Which is corr...