Quadratic equations are often the first problems you encounter that have multiple solutions (or none). Until quadratics, the way you solve problems is step by step, from unique problem to unique solution. But quadratics show that problems can split into pieces (albeit tightly interwoven pieces).
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Quadratic equations are often the first problems you encounter that have multiple solutions (or none). Until quadratics, the way you solve problems is step by step, from unique problem to unique solution. But quadratics show that problems can split into pieces (albeit tightly interwoven pieces).