Question

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

Answers

  1. 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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