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Evaluate: x^2 + 13x + 15 when x = -3
x^2 + 13x + 15 when x = -3 (-3)^2 + 13(-3) + 15 = 9 - 39 + 15; = -15
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Asked 12/18/2010 11:55:14 PM
Updated 10/29/2014 9:25:04 PM
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x^2 + 13x + 15 when x = -3

(-3)^2 + 13(-3) + 15

= 9 - 39 + 15;

= -15
Added 10/29/2014 9:25:04 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [10/29/2014 9:30:46 PM]
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Questions asked by the same visitor
Solve for x: x^2 + 11x + 24 = 0
Question
Updated 4/5/2015 7:05:34 AM
1 Answer/Comment
x^2 + 11x + 24 = 0

(x + 3)(x + 8) = 0;

x + 3 = 0; x = -3;
x + 8 = 0; x = -8

x = {-3, -8}
Added 4/5/2015 7:05:34 AM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [4/5/2015 12:53:24 PM]
Working with polynomial: (8x – 5) + (7x + 4)
Weegy: (8x – 5) + (7x + 4) = 8x + 7x - 5 + 4 = 15x - 1 (More)
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Expert Answered
Updated 6/23/2020 6:24:21 AM
0 Answers/Comments
Working with polynomial: (5x – 3.6) – (4x + 1.2)
Weegy: x-4.8 User: Please show the steps on how you got this answer. Thanks (More)
Question
Expert Answered
Updated 7/3/2014 1:57:21 PM
1 Answer/Comment
(5x – 3.6) – (4x + 1.2)

= 5x - 3.6 - 4x - 1.2

= 5x - 4x - 3.6 - 1.2

= x - 4.8
Added 7/3/2014 1:57:21 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [7/3/2014 2:07:02 PM]
Simplify: -27x^3yz over 36x^2y^2z
Question
Updated 6/22/2014 2:26:53 AM
1 Answer/Comment
-27x^3yz/36x^2y^2z
= [(9x^2yz)(-3x)]/[(9x^2yz)(4y)]
= -3x/4y
Added 6/22/2014 2:26:53 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/22/2014 2:41:04 AM]
Working with polynomial: (3x^2 + 3x) + (4x + 4). Please show the steps on how you got your answer. Thanks!
Question
Updated 8/10/2014 5:55:48 PM
1 Answer/Comment
(3x^2 + 3x) + (4x + 4)

= 3x^2 + 3x + 4x + 4;

= 3x^2 + 7x + 4
Added 8/10/2014 5:55:48 PM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [8/10/2014 5:57:18 PM]
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