How do you simplify this by "rationalizing the denominator"? 3  √3 For an answer to be simplified, you cannot have a square root sign in the denominator. Therefore you must multiply the top and bottom by a term to eliminate the square root sign in the denominator. 3  √3 3√3  {multiplied the top and bottom by √3, to eliminate square root in denominator} √3 √3 3√3  {multiplied in denominator} √9 3√3  {evaluated square root of 9 to be 3} 3 = √3 {cancelled 3 on top and bottom} © Algebra House
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