Use the Quadratic Formula to solve the equation 4x^2-7=4x.
Select one:
a. x=-1/2+sqrt2 or x=-1/2-sqrt2
b. x=7/8+sqrt113/8 or x=7/8-sqrt113/8
c. x=1/2+sqrt2 or x=1/2-sqrt2
d. x=2+4sqrt2 or x=2-4sqrt2
