(125а3-25а3)/(5а2)-(25а2-2а2)/2

Question

(125а3-25а3)/(5а2)-(25а2-2а2)/2

Answer 1

(125a³-25a³)÷(5a²)-(25a²-2a²)÷2=100a³÷(5a²)-23a²÷2=20a-23a²/2
/ - это дробь.