Question 378083
{{{(12 -3sqrt(17))/(4-sqrt(17))}}}
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multiply by {{{(4+sqrt(17))}}}
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{{{(12 -3sqrt(17))*(4 +(sqrt(17)))/((4-sqrt(17))*(4+sqrt(17))))}}}
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{{{((48+12sqrt(17)-12(sqrt(17)-3*17))/(16-17))}}}

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{{{(48-51)/(-1)}}}
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-3/-1
= 3
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