Question

Qual é a resposta dessa conta​

Answer 1

$(a-b)^{2} = a^{2} - 2ab + b^2\\\\Portanto,\\\\(3-a^{3})^{2} = 3^{2} - 2.3.a^{3} + (-a^{3})^{2} = 9 - 6a^{3} + a^{6} = a^{6} - 6a^{3} + 9$