document.write( "Question 484772: I need the detailed answer for this problem it to solve check the answer please help asap
\n" ); document.write( "1. √2x = x - 4
\n" ); document.write( "Please if someone can help me today and as soon as possible
\n" ); document.write( "Thank you \n" ); document.write( "

Algebra.Com's Answer #331630 by Tatiana_Stebko(1539) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"sqrt%282x%29=x-4\"$
\n" ); document.write( " $\"%28sqrt%282x%29%29%5E2=%28x-4%29%5E2\"$
\n" ); document.write( " $\"2x=x%5E2-8x%2B16\"$
\n" ); document.write( " $\"x%5E2-8x%2B16-2x=0\"$
\n" ); document.write( " $\"x%5E2-10x%2B16=0\"$
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( " $\"x+=+%28-%28-10%29+%2B-+sqrt%28%28-10%29%5E2-4%2A1%2A16+%29%29%2F%282%2A1%29+\"$
\n" ); document.write( " $\"x+=+%2810%2B-+sqrt%2836%29%29%2F2+\"$
\n" ); document.write( " $\"x+%5B1%5D=+%2810-+6%29%2F2+=2\"$
\n" ); document.write( " $\"x+%5B2%5D=+%2810%2B+6%29%2F2+=8\"$
\n" ); document.write( "In equations, like this, we have to check answer
\n" ); document.write( "Check $\"x%5B1%5D=2\"$ $\"sqrt%282%2A2%29=2-4\"$
\n" ); document.write( " $\"sqrt%284%29=-2\"$
\n" ); document.write( " $\"2=-2\"$ incorrect, then $\"x%5B1%5D=2\"$ exterior root
\n" ); document.write( "Check $\"x%5B2%5D=8\"$ $\"sqrt%282%2A8%29=8-4\"$
\n" ); document.write( " $\"sqrt%2816%29=4\"$
\n" ); document.write( " $\"4=4\"$ correct
\n" ); document.write( "Answer x=8 \n" ); document.write( "

\n" );