Question

.Write the polynomials having roots 3 and -5.​

Answer 1

Step-by-step explanation:

$let \: \alpha = 3 \: \: \: \: \: \: \: \: \beta = - 5 \\ using \: quadratic \: equation \\ {x}^{2} - ( \alpha + \beta )x + \alpha \beta \\ {x}^{2} - (3 + ( - 5))x + 3 \times ( - 5) \\ {x}^{2} + 2x -15$

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