Tayler9681 Tayler9681
  • 09-02-2024
  • Mathematics
contestada

Sarah is demonstrating the idea that polynomials are closed under addition. Her work and explanation are shown.
Add 3x⁴ + 61 to
A: 2z³ - (2x)² + 4x⁻¹
B: (2x)² + 4.4x - 9
C: (-8z)⁻² - (3x)³ + 7

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