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Range("a1").GoalSeek Goal:=0, ChangingCell:=Range("b1")

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¥»½d¨Ò°²³]¤u§@ªí Sheet1 ¤¤¦³¤@­Ó¦W¬° "Polynomial" ªºÀx¦s®æ¡A¸ÓÀx¦s®æªº¤½¦¡¬° =(X^3)+(3*X^2)+6¡A¥t¥~ÁÙ¦³¦W¬° "X" ªºªÅ¥ÕÀx¦s®æ¡C¥»½d¨Ò±N¨D¥X·íÀx¦s®æ Polynomial ªº­Èµ¥©ó 15 ®É¡AÀx¦s®æ X ªº­È¡C

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Worksheets("Sheet1").Range("Polynomial").GoalSeek _
    Goal:=15, _
    ChangingCell:=Worksheets("Sheet1").Range("X")
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Automatic Goal Seek

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x=a+1
x.GoalSeek Goal:=2, ChangingCell:=a
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