What is the error in this polynomial x²+9=(x+3)(x+3)?

asked Sep 19, 2022 26.7k views

8 votes

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6 votes

Answer:

(x + 3i)(x - 3i)

Explanation:

Wrong statement: x² + 9 = (x + 3)(x + 3)

Correct statement: x² + 9 = x² - (3i)² = (x + 3i)(x - 3i)

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