Step 1 is incorrect. You must find factors, not do addition or subtractions
You should rather do this:
3(sqrt(464)) 3(sqrt(232*2) 3*sqrt(58)*sqrt(4)*sqrt(2) 3*sqrt(29)*sqrt(2)*2*sqrt(2) 6*sqrt(2*2)*sqrt(29) 6*2*sqrt(29) 12*sqrt(29) Sorry for such a messy answer.