Exercicios de Algebra Resolucao de Equacoes

x2 x x 2 x 5 1 5 x 2 x3 3 x 2 qtlus a 2 1 x 3 x 2 3 x 2 x x 3 c x2 x x 2 x 5 d 2 x2 x x 3 x e x4 2 x2 8 x x 2