document.write( "Question 1113650: Solve for x:\r
\n" ); document.write( "\n" ); document.write( " $\"sqrt+%287x%29+-sqrt+%283x%29+=4\"$ \n" ); document.write( "

Algebra.Com's Answer #728738 by josgarithmetic(39630) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"7x%2B3x-2%2Asqrt%2821x%5E2%29=16\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"10x-16=2%2Asqrt%2821x%5E2%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"5x-8=sqrt%2821x%5E2%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"25x%5E2-80x%2B64=21x%5E2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4x%5E2-80x%2B64=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2-20x%2B16=0\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"x=%2820%2B-+sqrt%28400-4%2A16%29%29%2F2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=%2820%2B-+sqrt%28336%29%29%2F2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=%2820%2B-+sqrt%288%2A42%29%29%2F2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=%2820%2B-+sqrt%288%2A2%2A21%29%29%2F2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=%2820%2B-+4%2Asqrt%2821%29%29%2F2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=10%2B-+2sqrt%2821%29\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"cross%28x=0.8349%29\"$ or $\"highlight%28x=19.165%29\"$ \n" ); document.write( "

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