Respostas

2014-08-26T08:43:10-03:00
(x-1)^2+2x-26=0
x^2-2x+1+2x-26=0
x^2-25=0
x^2 = 25 (coloca raiz nos dois lado)
RAIZx^2 = RAIZ 25
X=5
1 1 1