document.write( "Question 207332: \"how do you simplify the radical, square root of 252\" \n" ); document.write( "
Algebra.Com's Answer #156766 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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 252\r
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\n" ); document.write( "\n" ); document.write( "Factors:\r
\n" ); document.write( "\n" ); document.write( "1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252\r
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\n" ); document.write( "\n" ); document.write( "Notice how 36 is the largest perfect square, so lets factor 252 into 36*7\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%28252%29\" Start with the given expression\r
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\n" ); document.write( "\n" ); document.write( "\"sqrt%2836%2A7%29\" Factor 252 into 36*7
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\n" ); document.write( "\"sqrt%2836%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( "\"6%2Asqrt%287%29\" Take the square root of the perfect square 36 to get 6
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\n" ); document.write( "So the expression \"sqrt%28252%29\" simplifies to \"6%2Asqrt%287%29\"\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"sqrt%28252%29=6%2Asqrt%287%29\"
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