Mathematics: What are the exact solutions of x2 − 3x − 5 = 0?

What are the exact solutions of x2 − 3x − 5 =

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richisolano14

08.01.2022

$x^{2} - 3x - 5 = 0 \\ \\ \Delta = (-3)^{2} - 4 \cdot 1 \cdot (-5) = 9 + 20 = 29 \\ \\ \sqrt{\Delta } = \sqrt{29} \\ \\ x_{1} = \dfrac{3 - \sqrt{29} }{2} \\ \\ x_{2} = \dfrac{3+ \sqrt{29} }{2} \\ \\ \boxed{x \in \left \lbrace \dfrac{3 - \sqrt{29} }{2} , \dfrac{3 + \sqrt{29} }{2} \right \rbrace }$

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Ответ:

delgadillogiselle711

18.03.2020

Mathematics

lol free points

helloStep-by-step explanation:

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What are the exact solutions of x2 − 3x − 5 = 0?

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