cheky56
cheky56 cheky56
  • 16-02-2021
  • Mathematics
contestada

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

Respuesta :

xenia168
xenia168 xenia168
  • 16-02-2021

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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