2x^2+10=4 solve using quadratic formula

First rewrite in the form ax² + bx + c = 0

So a=2, b=0 (there are no x terms!) and c = 10-4=6.

x = + -√ - (4*2*6) / 2*2 = + - √-48 / 4 = + -√ (-3*16) / 4 = + -i√3

The solutions are imaginary. Are you sure there is no typo in the equation?