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den301095 [7]
2 years ago
15

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

Mathematics
1 answer:
yanalaym [24]2 years ago
8 0

Answer:

(x -  \frac{ - 9 +  \sqrt{161} }{2} )(x -  \frac{ - 9 -  \sqrt{161} }{2} )

Step-by-step 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 \times  - 20 }  }{2} ) \: (x -  \frac{ - 9 -  \sqrt{ {9}^{2} - 4 \times  - 20 } }{2} )

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