document.write( "Question 33044: 3sqrt7/-1-sqrt27 \n" ); document.write( "

Algebra.Com's Answer #19543 by sarah_adam(201) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"3sqrt%287%29\"$ / $\"-%281%2Bsqrt%2827%29%29\"$
\n" ); document.write( "now rationalise the numerator by multipling wit sqrt 7 on both numerator and denominator
\n" ); document.write( " $\"3sqrt%287%29\"$ * $\"sqrt%287%29\"$ / $\"-%28sqrt%287%29%2Bsqrt%2827%29%2Asqrt%287%29%29\"$
\n" ); document.write( "- 3*7/ $\"%28sqrt%287%29%2Bsqrt%2827%2A7%29%29\"$
\n" ); document.write( "-21/ $\"sqrt%287%29%2Bsqrt%28169%29\"$
\n" ); document.write( "-21/ $\"sqrt%287%29%2B+13\"$
\n" ); document.write( "now rationalise the denominator by multipling with $\"13+-+sqrt%287%29\"$ to both numertor and denominator
\n" ); document.write( "-21 * ( $\"13+-+sqrt%287%29\"$ )/ $\"%2813%29%5E2+-+%28sqrt%287%29%29%5E2\"$
\n" ); document.write( "-21 * ( $\"13+-+sqrt%287%29\"$ )/169 - 7
\n" ); document.write( "-21 * ( $\"13+-+sqrt%287%29\"$ )/162
\n" ); document.write( "-7* ( $\"13+-+sqrt%287%29\"$ )/54
\n" ); document.write( " \n" ); document.write( "

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