8x^2+16=48 solving quadratic equation

Take 16 to RHS and then divide by 8 and the result wil 4 .. now take square root.finally you will have 2( positive..negative)

8x^2+16=48
8x^2+16-16=48-16
8x^2=32
8/8x^2=32/8
x^2=4
square root of x^2=square root of 4
x=2
The value of x is 2

Note: Use the square root symbol where I wrote it in sentence; that is, if you are going to copy this.