Solve x2 + 14x = - 24 by completing the square. What is the solution set of the equation?

Question

Mathematics

Nikolai Blackburn

22 April, 19:52

Solve x2 + 14x = - 24 by completing the square. What is the solution set of the equation?

+2

Answers (1)

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Amanda Charles · Answer 1

X^2 + 14x = - 24

x^2 + 14x + 24 = 0

x^2 + 12x + 2x + 24 = 0

x (x + 12) + 2 (x + 12) = 0

(x + 12) (x + 2) = 0

x + 12 = 0 x + 2 = 0

x = - 12 x = - 2