https://www.quora.com/What-is-the-square-root-of-40-in-radical-form

That being said, you are supposed to simplify the radical, and do so by finding the square root of one of the perfect square factors of the radical.

https://www.youtube.com/watch?v=wuDfJvj0QIU

Apr 22, 2015 ... Simplify square root of 40 and cube root 40 Calculus, Algebra and more at www. blackpenredpen.com Differential equation, factoring, linear ...

https://www.youtube.com/watch?v=NtAIA4abLgQ

May 31, 2012 ... Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its ...

https://socratic.org/questions/how-do-you-simplify-sqrt-40

Mar 13, 2018 ... First, rewrite the radical as: √4⋅10. Then use this rule for radicals to simplify the expression: √a⋅b=√a⋅√b. √4⋅10⇒. √4⋅√10⇒. 2√10 ...

https://socratic.org/questions/how-do-you-simplify-the-square-root-of-40

Sep 16, 2015 ... Write the prime factors for 40 . √2×2×2×5. Group the same prime factors into pairs. √(2×2)×2×5. Rewrite (2×2) in exponent form. √22×2×5.

https://socratic.org/questions/how-do-you-simplify-the-square-root-of-40-the-square-root-of-90

Sep 22, 2015 ... Simplify the expression by finding perfect squares to take out of the radical signs. √40+√90=√4⋅10+√9⋅10 =√4√10+√9√10=2√10+3√ ...

https://socratic.org/questions/how-do-you-simplify-the-square-root-of-40-9

Sep 15, 2015 ... Explanation: √409=√49⋅10=√49√10=23√10=2√103. Konstantinos Michailidis. Sep 15, 2015. √409=√23⋅532=(23)√10 ...

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-square-roots/v/simplifying-square-roots-1

Roots are nice, but we prefer dealing with regular numbers as much as possible. So, for example, instead of √4 we prefer dealing with 2. What about roots that ...

https://www.mathway.com/popular-problems/Algebra/200428

Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a ...

https://www.khanacademy.org/math/algebra-basics/basic-alg-foundations/alg-basics-roots/v/simplifying-square-root-expressions-no-variables

Sal simplifies sums and products of square roots. For example, he simplifies -√ 40+√90 as √10.