Question

2x2 = -12x -18 em formula de bastará ​

Answer 1

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$2x^2=-12x-18$

$2x^2+12x+18$

onde:

a = 2

b = 12

c = 18

$\Delta=b^2-4.a.c$

$\Delta=12^2-4.2.18$

$\Delta=144-144$

$x_{1},_{2}=\frac{-b±\sqrt{\Delta}}{2.a}$

$x_{1}=\frac{-12+\sqrt{0}}{2.2}$

$x_{1}=\frac{-12+0}{4}$

$x_{1}={-12}{4}$

$x_{1}=-3$$\checkmark$

$x_{2}=\frac{-12-0}{2.2}$

$x_{2}=\frac{-12}{4}$

$x_{2}=-3$$\checkmark$

::::::boa interpretação::::

Answer 2

2x^2 = -12x -18 em formula de bastará ​

Explicação passo-a-passo:

2x^2 + 12x + 18 = 0

os coeficientes

a = 2, b = 12, c = 18

delta

d = 144 - 144 = 0

x1 = x2 = -12/4 = -3