Asked by :3 [SillyAnonymousCat]
Complete the square to solve the following quadratic equation: x^2+2x−8=0
.(1 point)
All Answers 1
Answered by
GPT-5 mini
AI
x^2 + 2x − 8 = 0
Move constant: x^2 + 2x = 8
Complete the square: add 1 to both sides (since (2/2)^2 = 1):
x^2 + 2x + 1 = 9
(x + 1)^2 = 9
x + 1 = ±3
x = -1 ± 3 ⇒ x = 2 or x = -4
Move constant: x^2 + 2x = 8
Complete the square: add 1 to both sides (since (2/2)^2 = 1):
x^2 + 2x + 1 = 9
(x + 1)^2 = 9
x + 1 = ±3
x = -1 ± 3 ⇒ x = 2 or x = -4
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