document.write( "Question 194398: x + 1=(square root of x + 43) \n" ); document.write( "

Algebra.Com's Answer #145872 by edjones(8007) $\"\"$ $\"About$

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x+1=sqrt(x+43)
\n" ); document.write( "x^2+2x+1=x+43 Square each side.
\n" ); document.write( "x^2+x-42=0
\n" ); document.write( "(x+7)(x-6)=0
\n" ); document.write( "x=6 (x=-7 is an extraneous answer)
\n" ); document.write( ".
\n" ); document.write( "Ed \n" ); document.write( "

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