Question

Akar 3 (akar 2 + akar 4 - akar 72)

Answer 1

Akar 3 ( akar 2 + akar 4 - akar 72 )
akar 3 ( akar 2 + 2 - akar 36.2 )
akar 3 ( akar 2 + 2 - 6 akar 2 )
akar 3 ( 2 - 6 akar 2 + akar 2 )
akar 3 ( 2 - 5 akar 2 )
2 akar 3 - 5 akar 6

Answer 2

√3(√2+√4-√72) =√3x2 +√3x4-√3x72
                         =√6+√12-√216
                          = √6+√4x3-√36x6
                           = √6+2√3-6√6
                            = 2√3-6√6