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Factor: x2 + 3x + 7x + 21
x^2 + 3x + 7x + 21 = x^2 + 10x + 21 = (x+7)(x+3)
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User: Factor: x2 + 3x + 7x + 21

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Asked 6/28/2012 7:52:16 PM
Updated 121 days ago|6/22/2014 2:51:42 PM
1 Answer/Comment
Flagged by andrewpallarca [6/22/2014 2:51:42 PM]
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x^2 + 3x + 7x + 21 = x^2 + 10x + 21 = (x+7)(x+3)
Added 7/1/2012 2:42:48 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by andrewpallarca [6/22/2014 2:51:40 PM], Rated good by jeifunk
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x^2 – 1 = (x + 1)(x - 1)
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Factor: 4x2 – 81y2
Weegy: 4x² - 81y² = 0 4x² = 81y² x² = 81/4y² x = ± 9/2y = x - 9/2y, = 2x - 9y = x + 9/2y, = 2x + 9y Answer: (2x - 9y)(2x + 9y) (More)
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Updated 98 days ago|7/14/2014 7:51:07 PM
1 Answer/Comment
x^2 – 11x + 18 = (x - 9)(x - 2)
Added 98 days ago|7/14/2014 7:51:05 PM
This answer has been added to the Weegy Knowledgebase
Factor: x2 – 11x + 18
Weegy: quadratic equation (More)
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Updated 122 days ago|6/20/2014 6:13:23 PM
1 Answer/Comment
x^2 – 11x + 18 = (x - 2)(x - 9)
Added 122 days ago|6/20/2014 6:13:21 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by andrewpallarca [6/21/2014 1:46:17 AM]
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