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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Phúc Điền 3 years 2021-08-24T17:53:16+00:00 1 Answers 0 views 0

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    2021-08-24T17:54:20+00:00

    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)

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