Question

x²+5x+6=0(use formula de Bhaskara​

Answer 1

Fórmula da Bhaskara

$x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

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a = 1

b = 5

c = 6

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$x=\dfrac{-5\pm\sqrt{5^2-4.1.6}}{2.1}$

$x=\dfrac{-5\pm\sqrt{25-24}}{2}$

$x=\dfrac{-5\pm1}{2}$

$x_{1} = \dfrac{ - 4}{2} = \boxed{- 2}$

$x_{2} = \dfrac{ - 6}{2} = \boxed{ - 3}$

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Att : RAFAELURIEL