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What are the terms in the expression x3 - 5x - 18 + 8x2? Solution:
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Question
Asked 6/7/2012 1:17:26 PM
Updated 6/30/2014 1:11:36 AM
2 Answers/Comments
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jeifunk
[6/30/2014 1:11:36 AM]
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What are the terms in the expression x3 - 5x - 18 + 8x2? Solution:
Original conversation
User:
What are the terms in the expression x3 - 5x - 18 + 8x2? Solution:
User:
What are the terms in the expression x3 - 5x - 18 + 8x2? Solution:
Weegy:
The answer is x=(1)/(2). [ 5-(x+2)=5x Multiply -1 by each term inside the parentheses (x+2). 5-(x)-(2)=5x Multiply -1 by the x inside the parentheses. 5-x-(2)=5x Multiply -1 by the 2 inside the parentheses. 5-x-2=5x Subtract 2 from 5 to get 3. 3-x=5x Since 5x contains the variable to solve for, move it to the left-hand side of the equation by subtracting 5x from both sides. 3-x-5x=0 According to the distributive property, for any numbers a, b, and c, a(b+c)=ab+ac and (b+c)a=ba+ca. Here, x is a factor of both -x and -5x. 3+(-1-5)x=0 Subtract 5 from -1 to get -6. 3+(-6)x=0 Remove the parentheses. 3-6x=0 Since 3 does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 3 from both sides. -6x=-3 Divide each term in the equation by -6. -(6x)/(-6)=-(3)/(-6) Move the minus sign from the denominator to the front of the expression. -(-(6x)/(6))=-(3)/(-6) Cancel the common factor of 6 in -(6x)/(6). -(-( 6 x)/( 6 ))=-(3)/(-6) Remove the common factors that were cancelled out. -(-x)=-(3)/(-6) Multiply -1 by the -x inside the parentheses. -1*-x=-(3)/(-6) Multiply -1 by -x to get x. x=-(3)/(-6) Move the minus sign from the denominator to the front of the expression. x=-(-(3)/(6)) Cancel the common factor of 3 in -(3)/(6) since -(3)/(6)=((-1*3))/((2*3)). x=-(-( 3 )/(2 6 )) Remove the common factors that were cancelled out. x=-(-(1)/(2)) Multiply -1 by the -(1)/(2) inside the parentheses. x=-1*-(1)/(2) Multiply -1 by -1 to get 1. x=(1)/(2). Hope this helps. ]
thederby
|Points 1228|
User:
Score: Simplify 6(x + y) + (x - y). 6x 7x 7x + 6y 7x + 5y
User:
Simplify 6(x + y) + (x - y).
Weegy:
What is your question? :)
stan_r
|Points 792|
User:
Score: Simplify 6(x + 2) + 7. 6x + 9 6x + 15 6x + 19
Weegy:
6 x 7 = 42 ?
evermore
|Points 432|
User:
Score: Simplify 6(x + 2) + 7.
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Question
Asked 6/7/2012 1:17:26 PM
Updated 6/30/2014 1:11:36 AM
2 Answers/Comments
This conversation has been flagged as incorrect.
Flagged by
jeifunk
[6/30/2014 1:11:36 AM]
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8
jeifunk
M
6(x + y) + (x - y)
=6x+6y+x-y
=7x+5y
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Added 6/30/2014 1:11:01 AM
This answer has been confirmed as correct and helpful.
8
jeifunk
M
6(x+2)+7
=6x+12+7
=6x+19
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Added 6/30/2014 1:11:27 AM
This answer has been confirmed as correct and helpful.
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