(x + y) (x² + 2xy +y²)

(x + y) (x² + 2xy +y²)

Penjelasan dengan langkah-langkah:

$(x + y)( { times }^{2} + 2xy + {y}^{2} ) \ = {x}^{3} + 2 {x}^{2}y + x {y}^{2} + {x}^{2} y + 2x {y}^{2} + {y}^{3} \ = {x}^{3} + 3 {x}^{2} y + 3x {y}^{2} + {y}^{3}$