SOLUTION: (27 a^8)/(9 a^4)-(78 a^9)/(3 a^5)

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Question 202049: (27 a^8)/(9 a^4)-(78 a^9)/(3 a^5)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%2827a%5E8%29%2F%289a%5E4%29-%2878a%5E9%29%2F%283a%5E5%29 Start with the given expression.


%283a%5E8%29%2F%28a%5E4%29-%2826a%5E9%29%2F%28a%5E5%29 Reduce the coefficients.


3a%5E%288-4%29-26a%5E%289-5%29 Divide the variable terms by subtracting the exponents.


3a%5E4-26a%5E4 Subtract


-23a%5E4 Combine like terms.


So %2827a%5E8%29%2F%289a%5E4%29-%2878a%5E9%29%2F%283a%5E5%29=-23a%5E4 where a%3C%3E0