SOLUTION: I am having a hard time solving this problem. The {{{sqrt(x^3) = 8}}}. Thanks for your time.

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Question 51437: I am having a hard time solving this problem.
The .
Thanks for your time.

Found 2 solutions by rchill, vanetiks:
Answer by rchill(405)   (Show Source): You can put this solution on YOUR website!
If the square root of something is 8, that means the something must be 64 because 8*8=64. The something in this case is , which means . That means we need to find the cube root of 64; i.e., some number multiplied by itself three times is equal to 64. To do that:
Solved by pluggable solver: EXPLAIN simplification of an expression
Your Result:


YOUR ANSWER


  • This is an equation! Solutions: x=4.
  • Graphical form: simplifies to
  • Text form: x^3=64 simplifies to +x^2+4*x+16=0
  • Cartoon (animation) form:
    For tutors: simplify_cartoon( x^3=64 )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION


Look at .
Moved these terms to the left highlight_green%28+-64+%29
It becomes .

Look at .
Divided polynomial on the left by known factors (x-(4))
It becomes .
Result:
This is an equation! Solutions: x=4.

Universal Simplifier and Solver


Done!

Answer by vanetiks(6)   (Show Source): You can put this solution on YOUR website!
sqrt(x3) = 8
sqrt(x) = 4
x = 4

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