Jawab yah dg cara yg jelas

¾² – (4/3)^-3
= ¾² – ¾³
= (3×3)/(4×4) + [(-3)x(-3)x(-3)]/(4x4x4)
= 9/16 + (-27/64)
= (9×4)/(16×4) – 27/64
= 36/64 – 27/64
= (36-27)/64
= 9/64