a) [tex3]a^{3}x^{2}-b(3ac+b^{2})x+c^{3}=0.[/tex3]
b) [tex3]ax^{2}-b(3ac-b^{2})x+c=0.[/tex3]
c) [tex3]a^{3}x^{2}+b(b^{2}-3ac)x+c=0.[/tex3]
d) [tex3]a^{3}x^{2}+b(b^{2}-3ac)x-c^{3}=0.[/tex3]
e) [tex3]a^{3}x^{2}+b(b^{2}-3ac)x+c^{3}=0.[/tex3]
Resposta
Letra e)