Question

Como desenvolver (3x + 2)³ ?

Answer 1

$(3x + 2)^3 \\ \\ \\ (3x + 2) * (3x + 2)*(3x + 2) \\ \\ (3x + 2) *(9x^2 + 6x + 6x + 4) \\ \\ \\ (3x + 2)*(9x^2 + 12x + 4 ) \\ \\ 27x^3 + 36x^2 + 12x + 18x^2 + 24x + 8 \\ \\ => 27x^3 + 54x^2 + 36x + 8$