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what is the error in this polynomial x²+9=(x+3)(x+3)?
Question
what is the error in this polynomial x²+9=(x+3)(x+3)?
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Mathematics
3 years
2021-08-24T17:53:16+00:00
2021-08-24T17:53:16+00:00 1 Answers
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Answers ( )
Answer:
(x + 3i)(x – 3i)
Step-by-step explanation:
Wrong statement: x² + 9 = (x + 3)(x + 3)
Correct statement: x² + 9 = x² – (3i)² = (x + 3i)(x – 3i)