Question

EQ. IRRACIONAL
√2x-1 = x +3

Answer 1

$\sqrt{2x-1}=x+3\\ \\ (\sqrt{2x-1})^2=(x+3)^2\\ \\ 2x-1=x^2+6x+9\\ \\ x^2+4x+10=0\\ \\ \Delta=4^2-4.1.10=16-40=-24\\ \\ \delta<0 \rightarrow nao \ existem \ raizes \ reais$