Since the limit becomes the undetermined form
it means that both polynomials have a root at . So, we can fact both numerator and denominator:
So, the fraction becomes
Now, as x approaches 1, you have no problems anymore:
Simplify: -2 (x - 5) + 6x
2 answers:
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either:
and in that case:
or:
and in that case
So; the answer is: either 2 or 1.75