Answer:
−45−
Step-by-step explanation:
−(45+)
−(4m5+n)-(4m^{5}+n)−(4m5+n)
Simplify
Distribute
−(4m5+n)-\left(4m^{5}+n\right)−(4m5+n)
−4m5−n-4m^{5}-n−4m5−n
Solution