Question

Ajudaaaaa!!!!!!!!!

(x5-3ay²)²

Answer 1

produto notavel (a-b)²=a²-2ab+b²

aplicando isso
$(x^5-3ay^2)^2=(x^5)^2-2x^5 3ay^2 + (3ay^2)^2\\\\ (x^5-3ay^2)^2=x^{5*2}-6x^5 ay^2 + 3^2a^2(y^{2}) ^2\\\\ (x^5-3ay^2)^2=x^{10}-6x^5ay^2+9a^2y^{2*2}\\\\ (x^5-3ay^2)^2=x^{10}-6x^5ay^2+9a^2y^{4}$