SOLUTION: LCD of 1/x-7 and 3/x-1

Question 979076: LCD of 1/x-7 and 3/x-1
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
(x-7) and (x-1) don't have a common factor, so just multiply them together.
becomes
becomes
you multiplied 1/(x-7) by (x-1)/(x-1)
you multiplied 3/(x-1) by (x-7)/(x-7)
note that (x-1)/(x-1) is equal to 1, so the net effect is to multiply 1/(x-7) by 1 which keeps the value the same.
ditto for multiplying by (x-7)/(x-7).

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