Answer:
m³ + 2m² + 3m + 4
Explanation:
h(m) - f(m)
= 5 - 2m + 4m² + m³ - (2m² - 5m + 1) ← distribute parenthesis by - 1
= 5 - 2m + 4m² + m³ - 2m² + 5m - 1 ← collect like terms
= m³ + 2m² + 3m + 4
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