erikadawn2001 erikadawn2001

17-08-2020
Mathematics

contestada

Which of the following are solutions to the equation below?
Check all that apply.
X^2+18=-9x

Respuesta :

oscar236 oscar236

17-08-2020

Answer:

The solution set is {-3, -6}.

Step-by-step explanation:

x^2 + 18 = -9x

x^2 + 9x + 18 = 0

(x + 3)(x + 6) = 0

x = -3, -6.

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