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Answer :

Answer:

  • -9x⁹y⁵

Step-by-step explanation:

Simplifying:

  • (-8x⁴y³)*(2x⁵y²) + 7x⁹y⁵ =
  • -16x⁴⁺⁵y³⁺² + 7x⁹y⁵ =
  • -16x⁹y⁵ + 7x⁹y⁵ =
  • (-16 + 7)x⁹y⁵  =
  • -9x⁹y⁵

Step-by-step explanation:

  • -9x⁹y⁵

Simplification↑