Respostas

2014-05-22T20:29:59-03:00
X^2-5x/3+1=2x+11/3
X^2-5x+3=2x+11
X^2-7x-8=0
delta: b^2-4ac
(-7)^2-4*1*(-8)
49+32
81
X=-b+ou-raiz de delta /2a
X1=7-9/2=-1
X2=7+9/2=8

Resposta: -1 e 8