3x/2x × x-4/6x

3x/2x × x-4/6x

Penyelesaian

3x ×  x – 4 = 3x × (x – 4) 

2x        6x      (2x × 6x)

= 3×2 – 12x

       12×2

= 3x (x – 4)

      3x (4x)

= x – 4

      4x