document.write( "Question 193935: (x-3) ^2 = 20\r
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\n" ); document.write( "\n" ); document.write( "answer 3 +2 sqrt 5,3 - 2 sqrt 5\r
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\n" ); document.write( "\n" ); document.write( "why is the answer 3 + 2 sqrt 5,3 -2 sqrt 5\r
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Algebra.Com's Answer #145577 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%28x-3%29%5E2=20\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"x-3=%22%22%2B-sqrt%2820%29\" Take the square root of both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"x-3=sqrt%2820%29\" or \"x-3=-sqrt%2820%29\" Break up the \"plus/minus\" to form two equations.\r
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\n" ); document.write( "\n" ); document.write( "\"x-3=2%2Asqrt%285%29\" or \"x-3=-2%2Asqrt%285%29\" Simplify the square root.\r
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\n" ); document.write( "\n" ); document.write( "\"x=3%2B2%2Asqrt%285%29\" or \"x=3-2%2Asqrt%285%29\" Add \"3\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x=3%2B2%2Asqrt%285%29\" or \"x=3-2%2Asqrt%285%29\".
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