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polynomial equations whose roots are {1,-1,-2,5}​

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Blackshe3pviz

Step-by-step explanation:

To form a quadratic equation, let α and β be the two roots. ... x2 - [5 + (-2)]x + 5 ∙ (-2) = 0 ... 1. Form an equation whose roots are 2, and - 1 2. Solution: The given roots are 2 and -12.