hasil dari (3√6 + √2) (√6 - 3√2)

(3√6 + √2) (√6 - 3√2)
= 3√6 (√6) + 3√6 (-3√2) + √2 (√6) + √2 (-3√2)
= 3(6) - 3(3)√(6x2) + √(2x6) - 3(2)
= 18 - 9√12 + √12 - 6
= (-9+1)√12 + (18-6)
= -8√12 + 12
= -8√(4x3) + 12
= -8(2)√3 + 12
= -16√3 + 12

Semoga bermanfaat. ^_^ **