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quadratic
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$1.00 I need help solving this ...

  • From Mathematics: Algebra
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  • Due on Jul. 12, 2009
  • Asked on Jul. 13, 2009 at 02:14:52AM
Q:
I need help solving this equation: x(x-3)=28. I know it needs to be set to 0 but I am thrown off by the parentheses.
Please show me how to solve this. Thank you.
 


   
   
   
   
 
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Posted by:
starboy
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$1.00 step by step solution

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  • Posted on Jul. 13, 2009 at 02:17:36AM
A:
Preview: ... = 28<br>subtract 28 both sides<br>x^2 - 3x - 28 = 28 - 28<br>x^2 - ...

The full tutorial is about 105 words long .
Posted by:
GangadharSenapati
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$1.00 Please see the solution

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  • Posted on Jul. 13, 2009 at 02:19:27AM
A:
Preview: ... - 7x + 4x - 28 = 0<br><br>=> x(x-7) + ...

The full tutorial is about 51 words long .
Posted by:
thundercats
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$1.00 Assistance for quadratic.

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  • Posted on Jul. 13, 2009 at 02:20:37AM
A:
Preview: ... both sides by 28:<br><br>x^2 - 3x - 28 = 0<br><br>Factor:<br><br>What ...

The full tutorial is about 54 words long .
Posted by:
thementoronline
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$1.00 Best Answer

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  • Posted on Jul. 13, 2009 at 02:50:07AM
A:
Preview: ... :<br><br>X(x-3)=28<br><br>multiply<br> ...

The full tutorial is about 13 words long .
Posted by:
Neel
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$1.00 Solution

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  • Posted on Jul. 13, 2009 at 02:55:09AM
A:
Preview: ... e attache ...

The full tutorial is about 6 words long plus attachments.

Attachments:
I need help solving this equation_Solution.doc (22K) (Preview)
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sulexk
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$0.25 Solution to your question

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  • Posted on Jul. 13, 2009 at 04:01:06AM
A:
Preview: ... <br>x^2-3x-28=0<br><br>now factorise<br><br>find two numbers that add to give -3 and multiply to give <br>-28.<br><br>-7 and 4<br><br>-7x4=-28<br>-7+4=-3<br><br>x^2-7x+4 ...

The full tutorial is about 105 words long .
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SandyS
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$0.25 Step by step accurate solution to help you

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  • Posted on Jul. 13, 2009 at 06:18:33AM
A:
Preview: ... 8<br><br>x^2 - 3x - 28 = 0<br><br>factorize it<br><br> ...

The full tutorial is about 47 words long .
   
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