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Simplifying a rational radical expression by multiplying by the conjugate

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Brian McLogan

Learn how to divide rational expressions having square root binomials. To divide a rational expression having a binomial denominator with a square root radical in one of the terms of the denominator, we multiply both the numerator and the denominator by the conjugate of the denominator and then simplify. When the square root in the denominator is covering both terms of the denominator, we multiply both the numerator and the denominator with the denominator and simplify.

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Organized Videos:
✅How to Divide Radical Expressions
   • How to Divide Radical Expressions  
✅Divide by the 4th root with variables
   • Divide by the 4th root with variables  
✅Divide by the cube root with variables
   • Divide by the cube root with variables  
✅Rationalize the denominator with the cube root
   • Rationalize the denominator with the ...  
✅Rationalize the denominator with radical binomials
   • Rationalize the denominator with radi...  
✅Divide the 5th root of a number
   • Divide the 5th root of a number  
✅Divide by the cube root of a number
   • Divide by the cube root of a number  
✅Simplify the square root of a fraction
   • Simplify the square root of a fraction  
✅Simplify the square root of a fraction with variables
   • Simplify the square root of a fractio...  
✅Simplify the square root with multiple fractions
   • Simplify the square root with multipl...  
✅Divide by the square root of a number
   • Divide by the square root of a number  

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‍‍‍ About Me: I make short, tothepoint online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips. Find more here: https://www.freemathvideos.com/aboutme/

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