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What is the only solution of 2x2 + 8x = x2 – 16?
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3 votes
What is the only solution of 2x2 + 8x = x2 – 16?

User Han Zhengzu
by
5.7k points

1 Answer

5 votes

Answer:

–4

Explanation:

observe

2x² + 8x = x² – 16

x² + 8x + 16 = 0

(x+4)² = 0

x + 4 = 0

x = –4

User Nothingisnecessary
by
6.8k points
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