document.write( "Question 621341: What is \r
\n" ); document.write( "\n" ); document.write( "Square root of negative 72 \n" ); document.write( "

Algebra.Com's Answer #390698 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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What is Square root of negative 72
\n" ); document.write( "Write it
\n" ); document.write( " $\"sqrt%2872%2A-1%29\"$
\n" ); document.write( "extract the square root of -1 which is \"i\"
\n" ); document.write( " $\"i%2Asqrt%2872%29\"$
\n" ); document.write( "Factor inside the radical to reveal a perfect square
\n" ); document.write( " $\"i%2Asqrt%2836%2A2%29\"$
\n" ); document.write( "extract the square root of 36
\n" ); document.write( " $\"6i%2Asqrt%282%29\"$ \n" ); document.write( "

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