How do you rationalize the denominator for 5√6+√5? Algebra Radicals and Geometry Connections Multiplication and Division of Radicals 1 Answer Bill K. Apr 3, 2015 Multiply the top and bottom by √6−√5 to get 5√6+√5=5(√6−√5)6−5=5√6−5√5. In general, a√b+√c=a(√b−√c)b−c when b is not equal to c. In the case where b=c>0, then a√b+√c=a2√b=a√b2b. Answer link Related questions How do you simplify 2√3? How do you multiply and divide radicals? How do you rationalize the denominator? What is Multiplication and Division of Radicals? How do you simplify 73√5? How do you multiply (√a+√b)(√a−√b)? How do you rationalize the denominator for 2x√5x? Do you always have to rationalize the denominator? How do you simplify √5√15? How do you simplify (7√13+2√6)(2√3+3√6)? See all questions in Multiplication and Division of Radicals Impact of this question 1658 views around the world You can reuse this answer Creative Commons License