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Represents a coefficient from the expression given? 9x – 20 + x2

User TyChen
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1 Answer

3 votes

Answer:


(x - ( - 9 + √(161) )/(2) )(x - ( - 9 - √(161) )/(2) )

Explanation:


1. \: a(x - \frac{ - b + \sqrt{ {b}^(2) - 4ac} }{2a} ) \: (x - \frac{ - b - \sqrt{ {b}^(2) - 4ac} }{2a}) \\ 2. \: (x - \frac{ - 9 + \sqrt{ {9}^(2) - 4 * - 20 } }{2} ) \: (x - \frac{ - 9 - \sqrt{ {9}^(2) - 4 * - 20 } }{2} )

User Kzhen
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