Respuesta :

4*x^2 = 9/16 // - 9/16

4*x^2-(9/16) = 0

4*x^2-9/16 = 0

4*x^2 = 9/16 // : 4

x^2 = 9/64

x^2 = 9/64 // ^ 1/2

abs(x) = 3/8

x = 3/8 or x = -3/8