If the equation is y = -x^2 + 6/2

Would it become y = x^2 + 3? Or would it be y = x^2/2 + 3?

Thanks.

what happened to the - sign?

If it is
y = -x^2 + 6/2
it becomes
y = -x^2 + 3
however if it is
y = -(x^2+6) / 2
it becomes
y = - (1/2)x^2 - 3