(3√2-4√3)^2+√54(8-5√6)

Question

(3√2-4√3)^2+√54(8-5√6)

Answer 1

(3√2-4√3)^2+√54(8-5√6)=18-24√6+48+8√6*9-5√(6*6*9)=64-24√6+24√6-90=-26