Question

(3z-20)³
aiuda cofa ?????​

Answer 1

Respuesta:

Un gusto ayudarte

$\mathrm{Aplicar\:la\:formula\:del\:binomio\:al\:cubo}:\quad \left(a-b\right)^3=a^3-3a^2b+3ab^2-b^3\\\\(3z-20)^{3} \\\\\left(3z\right)^3-3\left(3z\right)^2\cdot \:20+3\cdot \:3z\cdot \:20^2-20^3\\\\27z^3-540z^2+3600z-8000$