Simplifying Radicals (square roots) with variables
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thanks a lot! splitting into separate questions really helped!
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OMG thxxxxxxx!!! i had to take a test today and i found this the test was like to find out which hiqhskool you can qet into and i had no idea how to do this !!!! so once aqainnn THANKSSS :-D
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This is BARELY audible. Can you turn it up?
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Thanks for the help! I greatly appreciate it! :)
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How come x to the 4th couldn't be simplified again to x squared? Leaving the answer to x squared is the square root of x? THANKS!!
il0veut00b 3 months ago
@il0veut00b: Good question, this is a common mistake. When you take the square root of x^4 it is equal to x^2 (not sqrt(x^2)). The square root is gone, so there is nothing else to simplify, no more square roots to take. Does that make sense? You are confusing x^2 and sqrt(x^2).
mathvideolessons 3 months ago