document.write( "Question 188921: Find all real number solutions of the equation algebraically:\r
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= 2\r
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document.write( "Can someone show me how to solve the problem by first isolating on the left side of the equation and then squaring each side? \r
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document.write( "So the first step gives us...
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document.write( " = 2+
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document.write( "Now how do I square each side of this equation and find all solutions of x? \n" );
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Algebra.Com's Answer #141705 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Can someone show me how to solve the problem by first isolating \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the first step gives us... \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now how do I square each side of this equation and find all solutions of x? \n" ); document.write( "----------------- \n" ); document.write( "Square both sides \n" ); document.write( "(2x+1) = 4 + 4sqrt(x+1) + (x+1) \n" ); document.write( "Collect terms, isolate the sqrt \n" ); document.write( "x = 4 + 4sqrt(x+1) \n" ); document.write( "x-4 = 4sqrt(x+1) \n" ); document.write( "Square again \n" ); document.write( "x^2 - 8x + 16 = 16(x+1) = 16x + 16 \n" ); document.write( "x^2 - 24x = 0 \n" ); document.write( "x*(x-24) = 0 \n" ); document.write( "x = 0 (extraneous solution, ignore it) \n" ); document.write( "x = 24 \n" ); document.write( " |