bang23110 bang23110
  • 28-12-2020
  • Mathematics
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5x2 + 5x + 8 = 0 ?
What is the complex solution to the quadratic equation

Respuesta :

clarch19
clarch19 clarch19
  • 28-12-2020

Answer:

[tex]\frac{-1+135i}{2}[/tex], [tex]\frac{-1-135i}{2}[/tex]

Step-by-step explanation:

you use the quadratic equation:  (-b ± [tex]\sqrt{b2 - 4ac}[/tex]) ÷ 2a

in this case, a = 5, b = 5, c = 8

inside the radical will be -135, hence using 135i where 'i' equals -1

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