document.write( "Question 928920: X^2+10x+y+20=0
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Algebra.Com's Answer #563973 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"y=-x%5E2-10x-20\"$
\n" ); document.write( " $\"y=-%28x%5E2%2B10x%29-20\"$
\n" ); document.write( " $\"y=-%28x%5E2%2B10x%2B25%29-20%2B25\"$
\n" ); document.write( " $\"y=-%28x%2B5%29%5E2%2B5\"$
\n" ); document.write( "Now the parabola is in vertex form.
\n" ); document.write( "Vertex (-5,5)
\n" ); document.write( "Opens downwards.
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\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( " $\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C-x%5E2-10x-20%29\"$
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