Tolong jwb nmr 8 ya pke cara

(3x² – 2y²) (4x² – 5y²)
= 12x^4 – 15x²y² – 8x²y² + 10y^4
= 12x^4 – 23x²y² + 10y^4 (D)

(3x² – 2y²)(4x² – 5y²)
= 12x^4 – 15 x²y² – 8 x²y² + 10 y^4
= 12x^4 – 23 x²y² + 10y^4 (D).