SOLUTION: find the least common denominator of the rational expressions with denominators of 9x-63 and 12x-84. thanks for your time and i hope you can help

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Question 48407: find the least common denominator of the rational expressions with denominators of 9x-63 and 12x-84.
thanks for your time and i hope you can help
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
9x-63 9(x-7)
12x-84 12(x-7) so we have (x-7)as a common factor
3*3 3*4 gives us a common factor of 3*3*4 or 36 thus we have 36(x-7)