document.write( "Question 248888: Hi. My question is how do I write the following in simplified radical form by rationalizing the denominator? \r
\n" ); document.write( "\n" ); document.write( " 2sqrt2+1
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\n" ); document.write( "\n" ); document.write( "-5sqrt2+3\r
\n" ); document.write( "\n" ); document.write( "I've been at it for 2 hours. I've tried using the conjugate but it's confusing because it seems to be written in a different form than the textbook. I've gotten 2 different answers, the latest one being:\r
\n" ); document.write( "\n" ); document.write( "-3-21sqrt2
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\n" ); document.write( "\n" ); document.write( "I'm not sure if I doing this right. If someone could help me, it would be greatly appreciated. Thank you.\r
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Algebra.Com's Answer #181358 by Theo(13342)\"\" \"About 
You can put this solution on YOUR website!
your equation is:\r
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\n" ); document.write( "\n" ); document.write( "\"%282%2Asqrt%282%29+%2B+1%29+%2F+%28-5%2Asqrt%282%29+%2B+3%29\"\r
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\n" ); document.write( "\n" ); document.write( "the conjugate of the denominator would be \"%28-5%2Asqrt%282%29+-+3%29\"\r
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\n" ); document.write( "\n" ); document.write( "multiply the expression by \"%28-5%2Asqrt%282%29+-+3%29+%2F+%28-5%2Asqrt%282%29+-+3%29\" to get:\r
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\n" ); document.write( "\n" ); document.write( "perform the indicated operations to get:\r
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\n" ); document.write( "\n" ); document.write( "\"%28-23+-+11%2Asqrt%282%29%29+%2F+41\"\r
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\n" ); document.write( "\n" ); document.write( "you got the denominator ok.\r
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\n" ); document.write( "\n" ); document.write( "you got pieces of the numerator ok but something went wrong somewhere.\r
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\n" ); document.write( "\n" ); document.write( "the numerator became:\r
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\n" ); document.write( "\n" ); document.write( "\"%28%282%2Asqrt%282%29+%2B+1%29+%2A+%28-5%2Asqrt%282%29+-+3%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "multiplying these terms together you would get:\r
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\n" ); document.write( "\n" ); document.write( "\"2%2Asqrt%282%29+%2A+-5%2Asqrt%282%29+=+-10%2Asqrt%282%29%5E2+=+-10%2A2+=+-20\"
\n" ); document.write( "\"2%2Asqrt%282%29+%2A+-3+=+-6%2Asqrt%282%29\"
\n" ); document.write( "\"1+%2A+-5%2Asqrt%282%29+=+-5%2Asqrt%282%29\"
\n" ); document.write( "\"1+%2A+-3+=+-3\"\r
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\n" ); document.write( "\n" ); document.write( "combining like terms you would get \"%28-23-11%2Asqrt%282%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "your answer is \"%28-23-11%2Asqrt%282%29%29%2F41\".\r
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