Question

(√6 + √3)( √6 - 2√3), como resolver.

Answer 1

\/6.\/6 - 2\/3.\/6 + \/3.\/6 - 2.\/3\/3 = 
6 - 2\/18 + \/18 - 2.3 = 
6 - 2\/(9x2) + \/(9x2) - 6 = 
6 - 3.2\/2 + 3\/2 - 6 = 
-6\/2 + 3\/2 = -3\/2