How do you simplify √5√15? Algebra Radicals and Geometry Connections Multiplication and Division of Radicals 1 Answer Meave60 Feb 13, 2015 You could also do either of the following: √5√15=√5⋅√5⋅3=√5⋅√5⋅√3=√25⋅√3=5√3 √5√15=√5⋅√5⋅√3=√25⋅√3=5√3 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 (7√13+2√6)(2√3+3√6)? How do you simplify (√7+√5)4+(√7−√5)4? See all questions in Multiplication and Division of Radicals Impact of this question 21999 views around the world You can reuse this answer Creative Commons License