Question

Which of the following are solutions to the equation below?

Check all that apply.
X^2+18=-9x

Answer 1

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

Explanation:

x^2 + 18 = -9x

x^2 + 9x + 18 = 0

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

x = -3, -6.