How do you simplify (sqrt3+sqrt5)^2? Algebra Radicals and Geometry Connections Multiplication and Division of Radicals 1 Answer Noah G Jul 11, 2016 =(sqrt(3) + sqrt(5))(sqrt(3) + sqrt(5)) = sqrt(9) + sqrt(15) + sqrt(15) + sqrt(25) = 3 + 2sqrt(15) + 5 =8 + 2sqrt(15) Hopefully this helps! Answer link Related questions How do you simplify \frac{2}{\sqrt{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 7/(""^3sqrt(5)? How do you multiply (sqrt(a) +sqrt(b))(sqrt(a)-sqrt(b))? How do you rationalize the denominator for \frac{2x}{\sqrt{5}x}? Do you always have to rationalize the denominator? How do you simplify sqrt(5)sqrt(15)? How do you simplify (7sqrt(13) + 2sqrt(6))(2sqrt(3)+3sqrt(6))? See all questions in Multiplication and Division of Radicals Impact of this question 2274 views around the world You can reuse this answer Creative Commons License