Question and answer
Find the product mentally. (z - 12)(z + 12)
(z - 12)(z + 12) = z^ + 12z - 12z - 144 = z^2 - 144
scorpionsheep|Points 100|
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Asked 12/19/2014 11:13:40 AM
Updated 12/21/2014 11:43:59 AM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by andrewpallarca [12/21/2014 11:43:58 AM], Confirmed by andrewpallarca [12/21/2014 11:43:59 AM]
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Questions asked by the same visitor
Find the product. 2y^2(3x + 5z)
Weegy: x=9 (More)
Question
Not Answered
Updated 12/21/2014 6:51:43 AM
1 Answer/Comment
2y^2(3x + 5z)
= 2y^2*3x + 2y^2*5z
= 6xy^2 + 10zy^2
Added 12/21/2014 6:15:56 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/21/2014 6:51:44 AM], Rated good by andrewpallarca
Find the product mentally. (2m - 9)2
Weegy: 3-3 = 0 User: Select the correct product. (a + 8)(b + 3) (More)
Question
Not Answered
Updated 12/19/2014 11:24:45 AM
2 Answers/Comments
(2m - 9)^2

= (2m - 9)(2m - 9);

= 4m^2 - 18m - 18m + 81;

= 4m^2 - 36m + 81
Added 12/19/2014 11:24:06 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [12/19/2014 11:25:48 AM]
(a + 8)(b + 3) = ab + 3a + 8b + 24
Added 12/19/2014 11:24:45 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [12/19/2014 11:26:26 AM]
Find the product mentally. (ab + 3)(ab - 3)
Weegy: 3-3 = 0 User: Find the product. (r + s)2 (More)
Question
Not Answered
Updated 12/19/2014 11:30:23 AM
2 Answers/Comments
(ab + 3)(ab - 3)

= a^2b^2 - 3ab + 3ab - 9;

= a^2b^2 - 9;
Added 12/19/2014 11:29:31 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [12/19/2014 11:43:01 AM]
(r + s)^2

= (r + s) (r + s);

= r^2 + rs + rs + s^2;

= r^2 + 2rs + s^2
Added 12/19/2014 11:30:23 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [12/19/2014 11:43:41 AM]
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