2a²b²-6ab=????? Al jabar matematika

jawab

2 a² b²- 6ab = 2ab ( a b - 3)

= 2a²b² - 6ab
= (2 × a × a × b × b) - (2 × 3 × a × b)
= 2ab(ab) - 2ab(3)
= 2ab (ab - 3)