Question

Eu preciso do cálculo de (9+√6)²+(9-√6)²

Answer 1

(9+√6)²+(9-√6)²
81 + 18√6 + 6 + 81 - 18√6 + 6

162 + 12

174

Answer 2

$(9+\sqrt6)^2+(9-\sqrt6)^2=81+18\sqrt6+6+81-18\sqrt6+6=174$