document.write( "Question 638713: sqrt(x)+sqrt(x-20)=10 \n" ); document.write( "
Algebra.Com's Answer #402392 by MathTherapy(10556)\"\" \"About 
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\n" ); document.write( "sqrt(x)+sqrt(x-20)=10\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28x%29+%2B+sqrt%28x+-+20%29+=+10\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28x+-+20%29+=+10+-+sqrt%28x%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28sqrt%28x+-+20%29%29%5E2+=+%2810+-+sqrt%28x%29%29%5E2\" ----- Squaring both sides of equation\r
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\n" ); document.write( "\n" ); document.write( "\"x+-+20+=+100+-+20%28sqrt%28x%29%29+%2B+%28sqrt%28x%29%29%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+-+20+=+100+-+20%28sqrt%28x%29%29+%2B+x\"\r
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\n" ); document.write( "\n" ); document.write( "\"20%28sqrt%28x%29%29+=+x+%2B+100+-+x+%2B+20\"\r
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\n" ); document.write( "\n" ); document.write( "\"20%28sqrt%28x%29%29+=+120\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28x%29+=+120%2F20\"\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28x%29+=+6\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28sqrt%28x%29%29%5E2+=+6%5E2\" ---- Squaring both sides of equation\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_green%28x+=+36%29\"\r
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\n" ); document.write( "\n" ); document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com
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