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

The first thing you would start off with is just the square root of 40. In order to simplify this radical, you have to eliminate any perfect square ...

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/what-is-the-simplified-radical-form-of-sqrt-40

Oct 18, 2015 ... 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√ ...

http://www.wtamu.edu/academic/anns/mps/math/mathlab/int_algebra/int_alg_tut39_simrad_ans.htm

Jul 19, 2011 ... Since we cannot take the square root of 5 and 5 does not have any factors ... rule of radicals in reverse to help us simplify the cube root of 40.

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.

https://www.khanacademy.org/math/algebra-basics/basic-alg-foundations/alg-basics-roots/v/rewriting-square-root-of-fraction

You are completely correct! I believe he may have just been wary that by adding a square within a square root sign may have started to confuse some people ...

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

Worked examples of taking expressions with square roots and taking all of the perfect squares out of the square roots. For example, 2√(7x)⋅3√(14x²) can be ...