Can someone please show and explain step by step

Can someone please show and explain step by step how to evaluate this integral? Problem #1)∫ 1/(x^3+x^2+x+1) dx This is what I got so far. I am not sure what to do thereafter after doing partial fraction decomposition (in which I got A = 1/2, B = 1/2, and C = 1/2) 1/(x^2+1)(x+1) = ∫(-1/2x)+(1/2)/(x^2+1) + ((1/2)/(x+1)) dx

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