document.write( "Question 63024This question is from textbook Intermediate Algebra
\n" ); document.write( ": Solve. Write all apparent solutions. Cross out those that are extraneous\r
\n" ); document.write( "\n" ); document.write( "THE SQUARE ROOT OF u-3 - THE SQUARE ROOT OF u =3
\n" ); document.write( "[the square root of u-3 (minus) the square root of u (equals) 3] \n" ); document.write( "

Algebra.Com's Answer #43934 by funmath(2933) $\"\"$ $\"About$

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Solve. Write all apparent solutions. Cross out those that are extraneous\r
\n" ); document.write( "\n" ); document.write( " $\"sqrt%28u-3%29-sqrt%28u%29=3\"$
\n" ); document.write( " $\"sqrt%28u-3%29-sqrt%28u%29%2Bsqrt%28u%29=sqrt%28u%29%2B3\"$
\n" ); document.write( " $\"sqrt%28u-3%29=sqrt%28u%29%2B3\"$
\n" ); document.write( " $\"%28sqrt%28u-3%29%29%5E2=%28sqrt%28u%29%2B3%29%5E2\"$
\n" ); document.write( " $\"u-3=%28sqrt%28u%29%2B3%29%28sqrt%28u%29%2B3%29\"$
\n" ); document.write( " $\"u-3=sqrt%28u%29%28sqrt%28u%29%2B3%29%2B3%28sqrt%28u%29%2B3%29\"$
\n" ); document.write( " $\"u-3=sqrt%28u%5E2%29%2B3sqrt%28u%29%2B3sqrt%28u%29%2B9\"$
\n" ); document.write( " $\"u-3=u%2B6sqrt%28u%29%2B9\"$
\n" ); document.write( " $\"u-u-3-9=u-u%2B6sqrt%28u%29%2B9-9\"$
\n" ); document.write( " $\"-12=6sqrt%28u%29\"$
\n" ); document.write( " $\"-12%2F6=6sqrt%28u%29%2F6\"$
\n" ); document.write( " $\"-2=sqrt%28u%29\"$
\n" ); document.write( " $\"%28-2%29%5E2=%28sqrt%28u%29%29%5E2\"$
\n" ); document.write( " $\"4=u\"$ Check to see if it's extraneous.
\n" ); document.write( " $\"sqrt%284-3%29-sqrt%284%29=3\"$
\n" ); document.write( " $\"sqrt%281%29-2=3\"$
\n" ); document.write( " $\"1-2=3\"$
\n" ); document.write( " $\"-1=3\"$ This is not true, u=4 is extraneous, there is no soltuion.
\n" ); document.write( "Happy Calculating!!! \n" ); document.write( "

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