Answer:
Step-by-step explanation:
Distribute (-1) to the second polynomial
-9x⁵- x³ + 2x² + 4 - (2x⁵ - x⁴ + 4x³ - 3x²)
= -9x⁵ - x³ + 2x² + 4 - 2x⁵ + x⁴ - 4x³ + 3x²
= -9x⁵ - 2x⁵ + x⁴ - x³ - 4x³ + 2x² + 3x² + 4
{Combine like terms}
= -11x⁵ + x⁴ - 5x³ + 5x² + 4
