document.write( "Question 356912: Solving Equations with Radicas and Exponents
\n" ); document.write( "Find all real solutions to this equation.\r
\n" ); document.write( "\n" ); document.write( "√(x+4)-2√(x-1)=-1
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Algebra.Com's Answer #254929 by edjones(8007)\"\" \"About 
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√(x+4)-2√(x-1)=-1
\n" ); document.write( "5x-(4sqrt(x-1)(sqrt(x+4))=1 square each side
\n" ); document.write( "(-4sqrt(x-1)(sqrt(x+4))=1-5x
\n" ); document.write( "16x^2+48x-64=25x^2-10x+1 square each side
\n" ); document.write( "9x^2-58x+65=0
\n" ); document.write( "(x-5)(9x-13)=0
\n" ); document.write( "x=13/9, x=5
\n" ); document.write( "x=5 is the only answer.
\n" ); document.write( "x=13/9 is extraneous.
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\n" ); document.write( "Ed
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