Resposta :
1 +x = x+2 mmc= 4x
2x 4x
2 + 4x^2 = x +2
4x^2 - x - 2 + 2 = 0
4x^2 - X = 0
X( 4X - 1 ) = 0
x1= 0
4x2 - 1 = 0
4x2 = 1
x2 = 1/4
2x 4x
2 + 4x^2 = x +2
4x^2 - x - 2 + 2 = 0
4x^2 - X = 0
X( 4X - 1 ) = 0
x1= 0
4x2 - 1 = 0
4x2 = 1
x2 = 1/4