Please use words to describe the solution process.
HINT:
Mathematics Homework Solutions
#29709
Graph Coloring Problem
Please use words to describe the solution process:
Let G be a graph with n vertices that is not a complete graph. Prove that x (G) < n
HINT: If G does not contain k3 as a subgraph, then every face must have degree at least 4.
*(Please see attachment for proper symbols)
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