document.write( "Question 340427: What is the simplified radical form of 3087?
\n" ); document.write( "I factored this number by three two times but I am stuck on 343 becuase I don't know what numbers it is divisible by.
\n" ); document.write( " 3087
\n" ); document.write( " 3 1029
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Algebra.Com's Answer #243954 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"sqrt%283087%29\" Start with the given expression\r
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\n" ); document.write( "\n" ); document.write( "The goal of simplifying expressions with square roots is to factor the radicand into a product of two numbers. One of these two numbers must be a perfect square. When you take the square root of this perfect square, you will get a rational number.\r
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\n" ); document.write( "\n" ); document.write( "So let's list the factors of 3087\r
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\n" ); document.write( "\n" ); document.write( "Factors:\r
\n" ); document.write( "\n" ); document.write( "1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087\r
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\n" ); document.write( "\n" ); document.write( "Notice how 441 is the largest perfect square, so lets factor 3087 into 441*7\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28441%2A7%29\" Factor 3087 into 441*7
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28441%29%2Asqrt%287%29\" Break up the square roots using the identity \"sqrt%28x%2Ay%29=sqrt%28x%29%2Asqrt%28y%29\"
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\n" ); document.write( "\n" ); document.write( "\"21%2Asqrt%287%29\" Take the square root of the perfect square 441 to get 21
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\n" ); document.write( "\n" ); document.write( "So the expression \"sqrt%283087%29\" simplifies to \"21%2Asqrt%287%29\"\r
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\n" ); document.write( "Check:\r
\n" ); document.write( "\n" ); document.write( "Notice if we evaluate the square root of 3087 with a calculator we get\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%283087%29=55.5607775323564\"\r
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\n" ); document.write( "\n" ); document.write( "and if we evaluate \"21%2Asqrt%287%29\" we get\r
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\n" ); document.write( "\n" ); document.write( "\"21%2Asqrt%287%29=55.5607775323564\"\r
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\n" ); document.write( "\n" ); document.write( "This shows that \"sqrt%283087%29=21%2Asqrt%287%29\". So this verifies our answer \r
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\n" ); document.write( "\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r
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\n" ); document.write( "\n" ); document.write( "Also, feel free to check out my tutoring website\r
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\n" ); document.write( "\n" ); document.write( "Jim
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