Question

determinar a forma mais simples de escrever:(a+x).(a²-ax+x²)=

Answer 1

$(a+x).(a^2-ax+x^2)\to\\\\ a^3-a^2x+ax^2+a^2x-ax^2+x^3\to\\\\ a^3+x^3-a^2x+a^2x+ax^2-ax^2\to\\\\ \large\boxed{a^3+x^3}$