1. The problem statement, all variables and given/known data Find the equation of the sphere centered at (-7,6,7) with radius 2. Normalize your equations so that the coefficient of x^2 is 1. 2. Relevant equations (x-xo)^2 + (y-yo)^2 + (z-zo)^2=r 3. The attempt at a solution (x-(-7))^2 + (y-6)^2 + (z-7)^2 = 2 it saids to normalize my equation.... and i do not understand what that means.