Question

Reduza as formas geral
a) ( x + 2) ^2 = 3
b) x/3 + 2x^2/5 = 2/10

Mim ajudem

Answer 1

Resposta:

a) (x+2)×(x+2)=3

x² +2x +2x +4 = 3

x² + 4x +1=0