The problem
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explain the common denominator in this problem
Answer provided by our tutors
We need to find the common denominator for "3 - x" and "x - 3".
Since
3 - x = -x + 3 = (-1)(x - 3)
the common denominator is "-x + 3"
Or you can select "LCM" tab and input
3 - x, x - 3
and get the result:
