Сократите дробь 2а²b - 4ab __________ a² -4a +4

Question

Сократите дробь 2а²b - 4ab
__________
a² -4a +4

Answer 1

2аb(a-2)\(a-2)²
2ab\a-2

Answer 2

2а²b - 4ab / a²-4a+4 = 2ab(a-2) / (a-2)² = 2ab/a-2