(x+y)³ bantu jawab yaaa buat senin

(x+y)(x+y)(x+y)
x³ + 3x²y+3xy²+y³

(x+y)^3 = (x+y)(x+y)(x+y)
= (x^2 + 2xy + y^2)(x+y)
= x^3 + x^2y + 2x^2y + 2xy^2 + xy^2 + y^3
= x^3 + 3x^2y + 3xy^2 + y^3
jadikan jawaban tercerdas yaa, makasih