SOLUTION: (21x^10)/(7x^3)+(18x^8)/(9x)

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Question 202052: (21x^10)/(7x^3)+(18x^8)/(9x)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%2821x%5E10%29%2F%287x%5E3%29%2B%2818x%5E8%29%2F%289x%29 Start with the given expression.


%283x%5E10%29%2F%28x%5E3%29%2B%282x%5E8%29%2F%28x%29 Reduce the coefficients.


3x%5E%2810-3%29%2B2x%5E%288-1%29 Divide the variable terms by subtracting the exponents.


3x%5E7%2B2x%5E7 Subtract


5x%5E7 Combine like terms.


So %2821x%5E10%29%2F%287x%5E3%29%2B%2818x%5E8%29%2F%289x%29=5x%5E7 where x%3C%3E0