Question and answer
4x2 – 81y2 A. (2x + 9)(2x – 9) B. (2x + 9y)(2x – 9y) C. (2x + 9y)2 D. (2x – 9y)2
Question
Asked 3/3/2013 2:16:04 AM
Updated 7/15/2015 10:26:59 PM
3 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by jeifunk [7/15/2015 10:20:53 PM], Confirmed by jeifunk [7/15/2015 10:20:55 PM]
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Original conversation
User: 4x2 – 81y2 A. (2x + 9)(2x – 9) B. (2x + 9y)(2x – 9y) C. (2x + 9y)2 D. (2x – 9y)2

Weegy: 4x2 – 81y2 = (2x + 9y)(2x - 9y)
bongche|Points 3864|

User: Simplify the product using the distributive property. (-4h +2)(3h +7) A. -12h2 - 22h + 14 B. -12h2 - 34h - 14 C. -12h2 + 34h - 14 D. -12h2 + 22h + 14

Weegy: (-4h +2)(3h +7) = -12h2 + 22h + 14
OxTornado007|Points 6719|

User: What is the factored form of the expression? 3x2 + 8x – 16 A. (3x + 4)(x – 4) B. (3x + 4)(x + 4) C. (3x – 4)(x – 4) D. (3x – 4)(x + 4)

Weegy: 3x2 + 8x – 16 = (3x - 4)(x + 4)
OxTornado007|Points 6719|

User: Simplify the product using the distributive property. (3h - 7)(3h - 6) A. 9h2 + 3h - 42 B. 9h2 - 3h - 42 C. 9h2 - 39h + 42 D. 9h2 + 39h + 42

Weegy: (3h - 7)(3h - 6) = 9h2 - 39h + 42
vchutkan|Points 5734|

User: Simplify the sum. (2u3 + 6u2 + 3) + (2u3 – 7u + 6) A. 9 – 7u + 6u2 + 4u3 B. 0u3 + 6u2 – 7u + 9 C. 0u3 – 7u2 + 6u – 9 D. 4u3 + 6u2 – 7u + 9

Question
Asked 3/3/2013 2:16:04 AM
Updated 7/15/2015 10:26:59 PM
3 Answers/Comments
This answer has been confirmed as correct and helpful.
Edited by jeifunk [7/15/2015 10:20:53 PM], Confirmed by jeifunk [7/15/2015 10:20:55 PM]
New answers
Rating
3
(2u^3 + 6u^2 + 3) + (2u^3 – 7u + 6)
= 2u^3 + 2u^3 + 6u^2 - 7u + 3 + 6
= 4u^3 + 6u^2 - 7u + 9
Added 7/15/2015 10:26:59 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [7/15/2015 10:57:01 PM]
Comments
janezeshun, Please check your answer.
Added 7/15/2015 10:22:13 PM
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