Question

(2X + 5Y)^3

alguém sabe ​

Answer 1

$(2x+5y)^{3}\\(2x+5y).(2x+5y)^{2}\\(2x+5y).(4x^{2} +20xy+25y^{2})\\8x^{3}+40x^{2}y+50xy^{2}+20x^{2}y+100xy^{2}+125y^{3}\\8x^{3}+60x^{2}y+150xy^{2}+125y^{3}$