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www.mathsisfun.com/numbers/simplify-square-roots.html

Simplifying Square Roots. To simplify a square root: make the number inside the square root as small as possible (but still a whole number): Example: √12 is simpler as 2√3. Get your calculator and check if you want: they are both the same value! Here is the rule: when a and b are not negative.

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 aren't equal to an integer, like √20? Still, we can write 20 as 4⋅5 and then use known properties to write √(4⋅5) as √4⋅√5, which is 2√5. We *simplified* √20.

www.wikihow.com/Simplify-a-Square-Root

Simplifying a square root isn't as hard as it looks. To simplify a square root, you just have to factor the number and pull the roots of any perfect squares you find out of the radical sign. Once you've memorized a few common perfect squares and know how to factor a number, you'll be well on your way to simplifying the square root.

Solving Radical Equations With Square Roots, Cube Roots, Two Radicals, Fractions, Rational Exponents - Duration: 18:05. The Organic Chemistry Tutor 86,521 views

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Practice: Simplify square roots (variables) ... Practice: Simplify square-root expressions. Simplifying square roots review. Next tutorial. Simplifying radicals (higher-index roots) Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501(c)(3) nonprofit organization. ...

www.webmath.com/simpsqrt.html