document.write( "Question 7013: The question is 4x^2 - 20 = 5. I know that I have done these recently but I am drawing a blank. \n" ); document.write( "

Algebra.Com's Answer #3855 by longjonsilver(2297) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"4x%5E2+-+20+=+5\"$
\n" ); document.write( " $\"4x%5E2+=+25\"$
\n" ); document.write( " $\"x%5E2+=+25%2F4\"$
\n" ); document.write( " $\"x+=+sqrt%2825%2F4%29\"$ or $\"x+=+-+sqrt%2825%2F4%29\"$
\n" ); document.write( " $\"x+=+sqrt%2825%29%2Fsqrt%284%29\"$ or $\"x+=+-+sqrt%2825%29%2Fsqrt%284%29\"$
\n" ); document.write( " $\"x+=+5%2F2\"$ or $\"x+=+-+5%2F2\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "jon.
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