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solve for x (show steps)X2 + 20 = -9x
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Asked 3/5/2012 7:23:08 PM
Updated 8/17/2014 7:02:56 PM
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Flagged by jerry06 [8/17/2014 7:02:56 PM]
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User: solve for x (show steps)X2 + 20 = -9x





Weegy: x = 1/9 (-X^2-20) Mathematica plaintext input: Solve[20 + 9 x + X^2 == 0, x] Mathematica plaintext output: {x == (-20 - X^2)/9}
Expert answered|Sunshiineluv|Points 51|

Question|Rated bad
Asked 3/5/2012 7:23:08 PM
Updated 8/17/2014 7:02:56 PM
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Flagged by jerry06 [8/17/2014 7:02:56 PM]
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x^2 + 20 = -9x
x^2 + 9x + 20 = 0
(x + 5)(x + 4) = 0
x + 5 = 0; x = -5
x + 4 = 0; x = -4
x = {-5, -4}
Added 8/17/2014 7:02:55 PM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [8/17/2014 7:08:29 PM]
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Questions asked by the same visitor
simplify: show steps (5x – 5 ) – ( 3x – 3)
Weegy: (5x – 5 ) – ( 3x – 3), first we have to distribute the negative, so it becomes 5x - 5 - 3x + 3. You can skip this step, but we can pair up terms to get: 5x - 3x - 5 + 3. Subtract the 3x from the 5x to get: 2x - 5 + 3. Then add the 3 to the - 5 to get: 2x - 2. Your final answer is 2x - 2. (More)
Question
Expert Answered
Updated 5/21/2014 8:49:56 AM
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simplify: show steps (5x^2 + 3x ) + ( 2x + 5)
Weegy: First, get rid of the parentheses. 5x^2+3x+2x+5. Second, addition. 5x^2+5x+5 Third, divide everything by 5. x^2+x+5 (More)
Question
Expert Answered
Updated 5/21/2014 8:52:24 AM
1 Answer/Comment
To get the sum of (5x^2 + 3x ) + ( 2x + 5), combine like terms.
3x and 2x are the only like terms.
3x + 2x = 5x;

The answer is 5x^2 + 5x + 5
Added 5/21/2014 8:52:24 AM
This answer has been confirmed as correct and helpful.
simplify show steps(4x – 3.5) – (3x + 1.7)
Weegy: First, get rid of the parenthese, 4x-3.5-3x-1.7 Second, Subtraction, x-5.2. x-5.2x is the answer. (More)
Question
Expert Answered
Updated 5/21/2014 8:54:52 AM
1 Answer/Comment
(4x – 3.5) – (3x + 1.7), to get the difference,

4x - 3x = x;
-3.5 - 1.7 = -5.2

the answer is x - 5.2
Added 5/21/2014 8:54:51 AM
This answer has been confirmed as correct and helpful.
Simplify and show steps(8x – 2) + (7x + 6)
Weegy: (8x – 2) + (7x + 6) = 8x - 2 + 7x + 6; = 8x + 7x - 2 + 6 = 15x + 4 (More)
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Updated 7/15/2018 5:12:26 PM
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Add (-5 + 6x7 + 2x5) + (9x7 + 5x5 + 9)
Weegy: 5x5= 25 (More)
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Expert Answered
Updated 8/5/2014 10:58:03 PM
1 Answer/Comment
(-5 + 6x7 + 2x5) + (9x7 + 5x5 + 9)
=(-5+42+10) + (63+25+9)
=47+97
=144
Added 3/3/2012 10:22:42 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [8/5/2014 10:58:02 PM]
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