ScoobyDoo92930 ScoobyDoo92930

27-10-2021
Mathematics

contestada

In the equation x² + 18x + 81 = 0, the roots are?

Respuesta :

monicalopez14893 monicalopez14893

27-10-2021

X= -9

Hope this helps<3

Answer Link

rlesandisusanya rlesandisusanya

27-10-2021

Answer:

x = (-9)

Step-by-step explanation:

x^2 + 18x + 81 = 0

x^2 + 9x + 9x + 81 = 0

x(x+9) + 9(x+9) = 0

(x + 9)(x + 9) = 0

(x + 9) = 0

x + 9 = 0

x = 0 - 9

x = -9

Answer Link

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