Find the sum and choose the correct answer. 2n 3 4n 2 - 7 and -n 3 - 8n - 2 -n3 4n2 - 8n - 9 n3 4n2 - 8n - 9 n3 4n2 - 8n - 5 n3

Question and answer

Find the sum and choose the correct answer. 2n 3 4n 2 - 7 and -n 3 - 8n - 2 -n3 4n2 - 8n - 9 n3 4n2 - 8n - 9 n3 4n2 - 8n - 5 n3 - 4n2 -9

Question

Asked 6/18/2014 12:27:45 PM

Updated 7/2/2014 11:23:46 AM

1 Answer/Comment

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [7/2/2014 11:22:53 AM]

Get an answer

Search for an answer or ask Weegy.

Original conversation

User: Find the sum and choose the correct answer. 2n 3 4n 2 - 7 and -n 3 - 8n - 2 -n3 4n2 - 8n - 9 n3 4n2 - 8n - 9 n3 4n2 - 8n - 5 n3 - 4n2 -9

Weegy: (2n^3 + 4n^2 - 7) + (-n^3 + 8n - 9)
= 2n^3 + 4n^2 - 7 - n^3 + 8n - 9
= n^3 + 4n^2 + 8n - 16

User: Select the correct difference. -3z 5 - (-7z 5) -10z5 -4z5 4z5 4z

Question

Asked 6/18/2014 12:27:45 PM

Updated 7/2/2014 11:23:46 AM

1 Answer/Comment

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [7/2/2014 11:22:53 AM]

New answers

Rating

jeifunk

-3z^5 - (-7z^5) = 4z^5

Added 7/2/2014 11:23:46 AM

This answer has been confirmed as correct and helpful.

Comments

There are no comments.

Add an answer or comment

Questions asked by the same visitor

What are the excluded values?

(More)

Question

Not Answered

Updated 6/18/2014 2:05:23 PM

1 Answer/Comment

emdjay23

Excluded values are values that will make the denominator of a fraction equal to 0.

Added 6/18/2014 2:05:23 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [6/18/2014 2:07:43 PM]

Factor the four-term polynomial. mn - 15 + 3m - 5n

Weegy: The factored form of mn - 15 + 3m - 5n is: (n + 3)(m - 5) (More)

Question

Updated 6/18/2014 3:59:13 PM

0 Answers/Comments

Identify the polynomial. x 3 - y 3 + z

Weegy: 3-3 = 0 User: Simplify b(a + b) - a(a - b). Weegy: 3-3 = 0 (More)

Question

Updated 6/19/2014 9:56:26 AM

2 Answers/Comments

yeswey

The polynomial x^3 - y^3 + z is a Trinomial.

Added 6/19/2014 9:55:48 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [6/19/2014 10:02:06 AM]

yeswey

b(a + b) - a(a - b)
= ab + b^2 - a^2 + ab
= -a^2 + 2ab + b^2

Added 6/19/2014 9:56:26 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [6/19/2014 10:02:10 AM]

Find the product. -2x(x 2 - 3)

Weegy: 16 = -2x - 1 16 + 1 = -2x 17 = 2x x = 17/2 User: Find the quotient. y 9 ÷ y 3 Weegy: So what would your question be? User: Find the greatest common factor of 8a 3 b 2 and 12ab 4. User: Factor completely. vwx + wxy - xyz Weegy: x(vw + wy - yz) (More)

Question

Updated 6/19/2014 10:52:43 AM

2 Answers/Comments

yeswey

-2x(x^2 - 3) = -2x^3 + 6x

Added 6/19/2014 10:52:03 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [6/19/2014 11:05:58 AM]

yeswey

y^9 ÷ y^3 = y^6

Added 6/19/2014 10:52:43 AM

This answer has been confirmed as correct and helpful.