document.write( "Question 215110: find the unknown in the equation x^2+45=53 \n" ); document.write( "
Algebra.Com's Answer #162545 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
find the unknown in the equation x^2+45=53
\n" ); document.write( "-----------------------------
\n" ); document.write( "x^2 = 53-45
\n" ); document.write( "x^2 = 8
\n" ); document.write( "x = sqrt(8)
\n" ); document.write( "x = sqrt(4*2)
\n" ); document.write( "x = sqrt(4)*sqrt(2)
\n" ); document.write( "x = 2sqrt(2)
\n" ); document.write( "---
\n" ); document.write( "x could also be -2sqrt(2)
\n" ); document.write( "----------------------------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );