document.write( "Question 382592: I need help solving\r
\n" ); document.write( "\n" ); document.write( "√-x + 7 = x - 1
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Algebra.Com's Answer #271073 by mananth(16946) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"sqrt%28-x%29+%2B7+=x-1\"$
\n" ); document.write( "-7 -7
\n" ); document.write( " $\"sqrt%28-x%29=x-1-7\"$
\n" ); document.write( "...
\n" ); document.write( " $\"sqrt%28-x%29=%28x-8%29\"$
\n" ); document.write( "...
\n" ); document.write( "square both sides
\n" ); document.write( "-x =x^2-16x+64
\n" ); document.write( "+x +x
\n" ); document.write( "x^2-15x+64
\n" ); document.write( "Find the roots using quadratic formula
\n" ); document.write( "discriminant = -31
\n" ); document.write( ".
\n" ); document.write( "x1= (15+sqrt(-31))/2
\n" ); document.write( "x1=7.5 + 2.7838821814150107i
\n" ); document.write( "x2=7.5 - 2.7838821814150107i
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( "

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