Question

x²-49=0     agradeço aqueles que me responderem obg! :)

Answer 1

$x^2 - 49 = 0 \\ \\ x^2 = 49 \\ \\ x = \pm\sqrt{49} \\ \\ \boxed{x = \pm7}$

Answer 2

x²=49
x=raiz de 49
x=7