tolong bantu ngerjain soalnya nya pake cara

ini ya jawabannya semoga membantu

     4             2√3 - 4          4(2√3 - 4)
-----------  x  ------------ = --------------------
2√3 + 4       2√3 - 4       2√3(2√3) - 4²
 
                                         4(2√3 - 4)
                                   = ------------------
                                         12 - 16

                                         4(2√3 - 4)
                                    = ----------------
                                           - 4
                                    = - 2√3 + 4
                                    = 4 - 2√3
( B )