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Solve each equation. 6x^2 + 1 = 13
Question
Asked 9/10/2012 11:20:43 AM
Updated 7/11/2014 9:22:00 AM
3 Answers/Comments
Flagged by yeswey [7/11/2014 9:18:35 AM]
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User: Solve each equation. 6x^2 + 1 = 13

User: Solve each equation. 6x ^2 + 1 = 13

User: Solve each equation. Leave the answer as an improper fraction. 3x2 + 2 = 11 - x2

User: Solve each equation. 0.2x2 + 1.2 = 3.4

Question
Asked 9/10/2012 11:20:43 AM
Updated 7/11/2014 9:22:00 AM
3 Answers/Comments
Flagged by yeswey [7/11/2014 9:18:35 AM]
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8
6x^2 + 1 = 13
6x^2 = 13 - 1
6x^2 = 12
x^2 = 12/6 = 2
x = sqrt 2 or - sqrt 2
Added 7/11/2014 9:20:04 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [7/11/2014 9:21:35 AM]
8
3x^2 + 2 = 11 - x^2
3x^2 + x^2 = 11 - 2
4x^2 = 9
x^2 = 9/4
x = ± 3/2
Added 7/11/2014 9:21:06 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [7/11/2014 9:22:05 AM]
8
0.2x^2 + 1.2 = 3.4
0.2x^2 = 3.4 - 1.2 = 2.2
x^2 = 2.2/0.2 = 11
x = ± sqrt 11
Added 7/11/2014 9:22:00 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [7/11/2014 9:23:12 AM]
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Questions asked by the same visitor
0.2x2 + 1.2 = 3.4
Weegy: x= -4,1 User: 6x2 + 1 = 13 User: 6x ^2 + 1 = 13 Weegy: Simplify 6x^2+13+6. Reorder the terms: 13+6+6x^2. Combine like terms: 13+6=19. The final result is: 19+6x^2. User: 3x2 + 2 = 11 - x2 User: 8x2 - 24 = 3x2 - 9 User: x2 = 144 Weegy: x^2=16; x=4, -4. User: (x + 3)(x - 3) = 16 - 2x2 Weegy: The solution set of 2x2-3x=5 is either 3.5 or -.5, depending on context of question. User: 5x2 - 55 = 90 User: 5x ^2 - 55 = 90 Weegy: This equation factors to (3x+2)(2x-3) User: (2x - 1)(3x + 2) = x + 292 Weegy: x = 27/4 User: 7x2 = 49 (More)
Question
Updated 8/12/2014 11:56:55 PM
8 Answers/Comments
x^2 = 144
x = ± 12
Added 8/12/2014 11:52:17 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [8/12/2014 11:59:46 PM]
(x + 3)(x - 3) = 16 - 2x^2
x^2 - 9 = 16 - 2x^2
x^2 + 2x^2 = 16 + 9
3x^2 = 25
x^2 = 25/3
x = ± (5 sqrt 3)/3
Added 8/12/2014 11:53:52 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [8/13/2014 12:00:07 AM]
5x^2 - 55 = 90
5x^2 = 90 + 55 = 145
x^2 = 145/5 = 29
x = ± sqrt 29
Added 8/12/2014 11:54:53 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [8/13/2014 12:00:25 AM]
(2x - 1)(3x + 2) = x + 292
6x^2 + 4x - 3x - 2 = x + 292
6x^2 + x - 2 = x + 292
6x^2 = 292 + 2 = 294
x^2 = 294/6 = 49
x = ± 7
Added 8/12/2014 11:56:11 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [8/13/2014 12:00:44 AM]
7x^2 = 49
x^2 = 49/7 = 7
x = ± sqrt 7
Added 8/12/2014 11:56:55 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [8/13/2014 12:00:56 AM]
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