Simplify the following expression. (x + 4)^3
Question
Updated 2/27/2014 4:20:07 PM
This conversation has been flagged as incorrect.
Edited by andrewpallarca [2/27/2014 4:18:43 PM], Edited by andrewpallarca [2/27/2014 4:18:51 PM], Flagged by andrewpallarca [2/27/2014 4:20:07 PM]
Original conversation
User: Simplify the following expression. (x + 4)^3

uxiali|Points 1606|

User: Select the product of (7x + 9)(7x - 9).

Question
Updated 2/27/2014 4:20:07 PM
This conversation has been flagged as incorrect.
Edited by andrewpallarca [2/27/2014 4:18:43 PM], Edited by andrewpallarca [2/27/2014 4:18:51 PM], Flagged by andrewpallarca [2/27/2014 4:20:07 PM]
Rating
3
(x + 4)^3

= x^3 + 12x^2 + 48x + 64
3
(7x + 9)(7x - 9)

49x^2 + 63x - 63x - 81

= 49x^2 - 81

Questions asked by the same visitor
Select the product of (4x + 5)(x2 - 2x + 1).
Weegy: 4X - 2X + 8 = 2X + 8 (More)
Question
Updated 8/11/2014 9:48:02 PM
(4x + 5)(x^2 - 2x + 1) = 4x^3 - 3x^2 - 6x + 5
Confirmed by jeifunk [8/11/2014 9:48:52 PM], Rated good by jeifunk
Select the difference of (6x2 - 5x3) - (8x2 - 9x3).
Question
Updated 8/11/2014 9:47:14 PM
(6x^2 - 5x^3) - (8x^2 - 9x^3)
= 6x^2 - 5x^3 - 8x^2 + 9x^3
= (6x^2 - 8x^2) + (9x^3 - 5x^3)
= -2x^2 + 4x^3
Confirmed by jeifunk [8/11/2014 9:49:13 PM]
Select the product of (9x - 8)2
Weegy: (9x + 2)(9x - 2) = 81x^2 - 4 (More)
Question
Updated 6/20/2014 6:13:29 AM
(9x - 8)^2 = 81x^2 – 144x + 64
Confirmed by andrewpallarca [6/20/2014 6:18:15 AM]
Factor the expression. 84x2 + 99x + 27
Question
Updated 2/27/2014 6:34:57 AM
84x^2 + 99x + 27 = 3(4x + 3)(7x + 3)
Confirmed by jeifunk [2/27/2014 6:39:45 AM], Rated good by jeifunk
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