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re: Paul
Monday, March 11, 2002 at 8:49 am
Windows 98 Annoyances Discussion Forum
Posted by Colin (190 messages posted)


>>Get get rid of the 2 by dividing 2x and 24 by the two.

This is the bit where your error is. Dividing by 2 gives you:

(x squared) / 2 + x = 12

Not that that helps particularly.

solution (Using Quadratic formula):

x squared + 2x - 24 = 0

x = (-2 +- sq. rt. ((2*2) + (4 * 1 * 24))) / 2

x = (-2 +- sq. rt. (100)) / 2
x = (-2 +- 10) / 2

2 solutions: x = 4, x = -6.


Also, ...

x squared + 2x - 24 = 0

reduces to,

(x - 4)(x + 6) = 0

therefore yielding 2 solutions : x = 4 or x = 6.

(I feel like I'm at school again...)



Written in response to:
Paul (Mrs. Bagley: Monday, March 11, 2002 at 6:30 am)

Responses to this message:
*Damn, a Typo!! (Colin: Monday, March 11, 2002 at 9:00 am)

All messages in this thread [show all]
-Malapropism in Windows Calculator Accessory (Sundar Narayan: Sun, Mar 10, 2002, 12:56 pm)
-re: Malapropism in Windows Calculator Accessory (Mrs. Bagley: Sun, Mar 10, 2002, 1:29 pm)
-Mrs. Bagley (John D.: Sun, Mar 10, 2002, 2:17 pm)
-re: Mrs. Bagley (Paul D: Sun, Mar 10, 2002, 4:07 pm)
*re: Paul (Mrs. Bagley: Sun, Mar 10, 2002, 6:55 pm)
-re: Mrs. Bagley (Mrs. Bagley: Sun, Mar 10, 2002, 6:38 pm)
*re: Mrs. Bagley (Paul D: Mon, Mar 11, 2002, 1:54 am)
-re: Malapropism in Windows Calculator Accessory (Michael: Mon, Mar 11, 2002, 6:00 am)
-Paul (Mrs. Bagley: Mon, Mar 11, 2002, 6:30 am)
-re: Paul (Colin: Mon, Mar 11, 2002, 8:49 am)
-Damn, a Typo!! (Colin: Mon, Mar 11, 2002, 9:00 am)
-re: Damn, a Typo!! (Michael: Mon, Mar 11, 2002, 11:03 am)
*re: Paul A+ (Mrs. Bagley: Mon, Mar 11, 2002, 8:43 pm)
*re: Malapropism in Windows Calculator Accessory (bill 2: Sun, Mar 10, 2002, 2:50 pm)
*re: Malapropism in Windows Calculator Accessory (Michael: Mon, Mar 11, 2002, 5:54 am)
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