$\int (x^2 + 3x + 2) e^x dx = $ . . . . . . $+ C$.

  • A
    $(x^2 - x + 1) e^x$
  • B
    $(x^2 + x - 1) e^x$
  • C
    $(x^2 + x + 1) e^x$
  • D
    $(x^2 - 1) e^x$

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