Math
posted by Allison Anderson .
perform the indicated operations and simplify x5/x7x1/x+7+x35/x^249

Math 
Steve
If what you typed means
(x5)/(x7)  (x1)/(x+7) + (x35)/(x^249) then
put everything over a common denominator. In this case, since x^2  49 = (x7)(x+7) that will be our LCD.
The numerator will then be:
(x5)(x+7)  (x1)(x7) + (x35)
= x^2 + 2x  35  (x^2  8x + 7) + (x  35)
= (11x  77)
= 11(x7)
Put that over (x7)(x+7) and you have
11(x7) / (x7)(x+7)
= 11/(x+7) 
Math 
PsyDAG
You need to clarify your formula by spacing and/or parentheses.
x  5/x  7  x  1/x + 7 + x  35/x^2  49 (?)
x  5/(x7)  x  1/(x7) + x 35/(x^249) (?)
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