Question and answer
Add. (-3 + 8x5 + 3x7 + 8x6) + (-2x6 - 6x5 - 6 + 8x7)
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Asked 3/23/2011 9:18:11 PM
Updated 1/28/2014 8:51:25 AM
2 Answers/Comments
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Flagged by andrewpallarca [1/28/2014 8:50:26 AM]
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Original conversation
User: Add. (-3 + 8x5 + 3x7 + 8x6) + (-2x6 - 6x5 - 6 + 8x7)

Weegy: It would be the first one x=3
Expert answered|googoogaga|Points 222|

User: Subtract. (3x3 + 2x5 - 1 + 7x4) - (5 + 9x4 + 9x5 - 5x3) Which one is the correct answer: 11x5 + 16x4 - 2x3 + 4, or -7x5 - 2x4 + 8x3 – 6, or -7x5 + 16x4 - 2x3 + 4, or 11x5 + 16x4 - 2x3 – 6?

Question|Rated bad
Asked 3/23/2011 9:18:11 PM
Updated 1/28/2014 8:51:25 AM
2 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by andrewpallarca [1/28/2014 8:50:26 AM]
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8
(-3 + 8x^5 + 3x^7 + 8x^6) + (-2x^6 - 6x^5 - 6 + 8x^7)

= 11x^7 + 6x^6 + 2x^5-9
Added 1/28/2014 8:50:28 AM
This answer has been confirmed as correct and helpful.
8
(3x^3 + 2x^5 - 1 + 7x^4) - (5 + 9x^4 + 9x^5 - 5x^3)

= -7x^5 -2x^4 + 8x^3 - 6
Added 1/28/2014 8:51:25 AM
This answer has been confirmed as correct and helpful.
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Questions asked by the same visitor
Factor each problem completely 3x2 – 5x – 2
Question
Updated 9/13/2014 2:28:56 PM
1 Answer/Comment
3x^2 – 5x – 2 = (x - 2)(3x + 1)
Added 9/13/2014 2:28:56 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [9/13/2014 2:38:34 PM]
Given the expression x^6 + x^8 + x^3. What is the degree of the polynomial?
Weegy: degree is 3 since its the highest exponent. (More)
Question
Expert Answered
Updated 7/18/2014 7:34:21 AM
2 Answers/Comments
The degree of the polynomial is 8. It is the highest degree of any term in the polynomial.
Added 7/18/2014 7:34:18 AM
This answer has been confirmed as correct and helpful.
Use Laws of exponents to answer this question. A student said that (9x)-² = - 81x². Is this student correct? Why or why not?
Question
Updated 1/4/2015 12:55:41 AM
1 Answer/Comment
A student said that (9x)-² = - 81x². This student is not correct.
(9x)^-2 = 1/(9x)^2 = 1/81x^2
Added 1/4/2015 12:55:41 AM
This answer has been confirmed as correct and helpful.
Could you please simplify (5x^2y)^3 Thank you
Question
Updated 8/17/2014 8:09:54 PM
1 Answer/Comment
(5x^2y)^3 = 125x^6y^3
Added 8/17/2014 8:09:54 PM
This answer has been confirmed as correct and helpful.
(4x + 1)(x^2 – 9x + 5)
Weegy: 4x3-35x2+5 (More)
Question
Expert Answered
Updated 1/2/2018 6:36:29 PM
1 Answer/Comment
(4x + 1)(x^2 – 9x + 5)
= 4x^3 + x^2 - 36x^2 - 9x + 20x + 5
= 4x^3 - 35x^2 + 11x + 5
Added 1/2/2018 6:36:28 PM
This answer has been confirmed as correct and helpful.
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