(4x + 1 )(x2 – 9x + 5)

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Asked 3/20/2011 10:36:42 PM

Updated 2/15/2014 2:54:10 PM

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Question

Asked 3/20/2011 10:36:42 PM

Updated 2/15/2014 2:54:10 PM

1 Answer/Comment

This conversation has been flagged as incorrect.

Flagged by andrewpallarca [2/15/2014 2:53:51 PM]

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(4x + 1 )(x^2 – 9x + 5)

= 4x^3 - 35x^2 + 11x + 5

= 4x^3 - 35x^2 + 11x + 5

Added 2/15/2014 2:54:10 PM

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Add.
(-3 + 8x5 + 3x7 + 8x6) + (-2x6 - 6x5 - 6 + 8x7) **Weegy:** It would be the first one x=3 **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?
(More)

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Expert Answered

Updated 1/28/2014 8:51:25 AM

2 Answers/Comments

(-3 + 8x^5 + 3x^7 + 8x^6) + (-2x^6 - 6x^5 - 6 + 8x^7)

= 11x^7 + 6x^6 + 2x^5-9

= 11x^7 + 6x^6 + 2x^5-9

Added 1/28/2014 8:50:28 AM

This answer has been confirmed as correct and helpful.

(3x^3 + 2x^5 - 1 + 7x^4) - (5 + 9x^4 + 9x^5 - 5x^3)

= -7x^5 -2x^4 + 8x^3 - 6

= -7x^5 -2x^4 + 8x^3 - 6

Added 1/28/2014 8:51:25 AM

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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)

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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

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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

(9x)^-2 = 1/(9x)^2 = 1/81x^2

Added 1/4/2015 12:55:41 AM

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Could you please simplify (5x^2y)^3 Thank you

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Updated 8/17/2014 8:09:54 PM

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(5x^2y)^3 = 125x^6y^3

Added 8/17/2014 8:09:54 PM

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