How do you simplify 5sqrt(42x)(4+4sqrt(7x))? Algebra Radicals and Geometry Connections Multiplication and Division of Radicals 1 Answer Mark D. May 23, 2018 20sqrt(7x)(sqrt6+1) Explanation: 20sqrt(42x)+20sqrt(7x) 20(sqrt(42x)+sqrt(7x)) 20[sqrt(7x)(sqrt6+1)] 20sqrt(7x)(sqrt6+1) 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 1434 views around the world You can reuse this answer Creative Commons License