Question

Resolva a equaçao do 2° grau (2x+1)^2-5(2x+1)+4=0

Answer 1

4x^2+4x+1-10x-5+4=0

4x^2-6x=0

delta=(-6)^2-4.4.0

delta=36

X=6+-6/8

x1=6-6/8=0

X2=6+6/8=12/8=3/2