SOLUTION: Simplify: {{{9sqrt(3x^9)-3x^4sqrt(27x)}}}

Algebra ->  Expressions -> SOLUTION: Simplify: {{{9sqrt(3x^9)-3x^4sqrt(27x)}}}      Log On


   

Question 1042928: Simplify: 9sqrt%283x%5E9%29-3x%5E4sqrt%2827x%29
Found 2 solutions by ikleyn, jim_thompson5910:
Answer by ikleyn(52818) About Me  (Show Source):
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
9sqrt%283x%5E9%29-3x%5E4sqrt%2827x%29


9sqrt%28x%5E8%2A3x%29-3x%5E4sqrt%289%2A3x%29


9sqrt%28x%5E8%29%2Asqrt%283x%29-3x%5E4sqrt%289%29%2Asqrt%283x%29


9%2Ax%5E4%2Asqrt%283x%29-3x%5E4%2A3%2Asqrt%283x%29


9x%5E4%2Asqrt%283x%29-9x%5E4%2Asqrt%283x%29


%289x%5E4-9x%5E4%29%2Asqrt%283x%29


%280x%5E4%29%2Asqrt%283x%29


%280%29%2Asqrt%283x%29


0


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So in the end, 9sqrt%283x%5E9%29-3x%5E4sqrt%2827x%29 simplifies to 0


In other words, 9sqrt%283x%5E9%29-3x%5E4sqrt%2827x%29=0 for real values of x such that x%3E=0