Question

3x-60=0 sendo o x ao quadrado

Answer 1

3x^2 = 60

x^2 =20

x= +-raiz(20)

x=+- 2*raiz(5)

Answer 2

$3x^2-60=0\\3x^2=60\\x^2=60/3\\x^2=20\\x=\sqrt{20}\\\\x=2\sqrt5$