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Solve 2x^2+8x=-16 by completing the square
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Solve 2x^2+8x=-16 by completing the square

User Chaoyu
by
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1 Answer

2 votes

Answer:

x = -2 + 2i or x = -2 - 2i

Explanation:

2x² + 8x = -16

x² + 4x = -8

x² + 4x + 4 = -8 + 4

(x + 2)² = -4

x + 2 = ±√(-4)

x + 2 = ±2i

x = -2 + 2i or x = -2 - 2i

User Dialogik
by
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