tolong bantu saya besok dikumpulin

=(2x)³+3(2x)²(-y)+3(2x)(-y)²+(-y)³
=2³×³+3(2²×²](-y)+6×y²-y³
=8׳+(-3y)(4ײ)+6xy2-y³
=8׳-12ײy+6y²-y³
semoga membantu maaf klo salah