SOLUTION: How about (3x-21)/(3x)divided by(x^2-49)/(x^2+7x)

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Question 263635: How about (3x-21)/(3x)divided by(x^2-49)/(x^2+7x)
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
here is the question
%28%283x-21%29%2F%283x%29%29 / %28%28x%5E2-49%29%2F%28x%5E2%2B7x%29%29
step 1 - factor each numerator and or denominator to get
%28%283%28x-7%29%29%2F%283x%29%29 / %28%28x%2B7%29%28x-7%29%29%2F%28x%28x%2B7%29%29%29
step 2 - multiply by the flip of the second big fraction to get
%28%283%28x-7%29%29%2F%283x%29%29 * %28x%28x%2B7%29%2F%28x-7%29%28x%2B7%29%29
step 3 - cancel all like terms to get
1