Use algebra, not Excel:

x = (-b +/-SQRT(b^2-4*a*c))/2a

Simplify your formula into the form

ax^2 + bx + c = 0

You'll find there are no real roots.....

HTH,
Bernie


"bbombel" wrote in message
...
is it possible to solve: 0,5= x^2/(x-2)(3-0,5x)?
how can I do it?