Frequent Questions about our Solver
If the final answer is negative, is it not a solution?
Answer provided by our tutors
The solution 'u' can not satisfy the following:
2u + 8 = 0 (denominator is '0')
and u + 4 = 0 (denominator is '0')
u = -4
So, that is why u = -4 is not a solution.
The solution is only:
u = -19/2
u = -9.5
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