First, congrats to forum admins and all contributors for this miracoulous forum.
I'm having some trouble solving limx->-3 (x^3+5x^2+3x-9)/(x^3-3x^2-45x-81)
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If , the fraction becomes
Hence, is a factor of both polynomials.
The numerator factors: .
The denominator factors: .
The problem becomes: .
Thank you very much.
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