P(X) = 2X^5 + 6X^4 - 42X^3 - 86X^2 + 192X + 360

Use synthetic division to show how to methodically obtain the factors. Must show logical thought process.

This problem is REALLY stumping me. Trial and error by rational roots plugins would be too extensive, grouping is just a total cluster ****, and all the GCFs (wherever they may be) are huge and/or numerous.

It's part of a pre calc challenge. I took high school algebra about five years ago, so I don't quite remember it at an upper level. All of the videos on YouTube are VERY simplistic, and don't go into depth or use long problems such as this. I already KNOW the zeros, but just knowing the answer doesn't really help. Can someone please guide me through this?

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