Mathematics: which of the following are solutions to the equation below? check all that apply. 5x2 + 3x - 2 = 0

which of the following are solutions to the equation

Ответ:

julianrod1201

03.01.2022

Just solve this equation:

$\displaystyle 5x^2+3x-2=0\\\\x_{1,2}= \frac{-3\pm \sqrt{9+40} }{10}= \frac{-3\pm \sqrt{49} }{10} = \frac{-3\pm7}{10}=(-1), \frac{2}{5}$

So, solutions are equal to:
$\displaystyle x_1= \frac{-3+ \sqrt{49} }{10} \\\\x_2= \frac{-3- \sqrt{49} }{10}$

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Ответ:

queenkimm26

16.10.2022

Mathematics

Edward

Step-by-step explanation:

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"which of the following are solutions to the equation below?
check all that apply.
5x2 + 3x - 2 = 0"

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"which of the following are solutions to the equation below?
check all that apply.
5x2 + 3x - 2 = 0"