Your formula  is

B29*(B31-G34)^2/2 =0

This would be calculated in this order

B31-G34
^2
/2
*B29
=0

If that is what you meant

Then for the equation to = 0, B31 and G34 must be equal. It does not matter
what B29 is.

If you meant something else, let us know what you did mean, including the
order of calculation.