4√2(3√14-√18)=tolong dibantu ya

12√28-4√36
12√4.7 - 4√9.6
12.2√7 - 4.3√6
24√7 - 12 √6

4√2(3√14-√18)------> *√18=√(9.2)=3√2*
=4√2(3√14-3√2)
=(4√2.3√14)-(4√2.3√2)
=12√28-12√4 -----> 12√28=12√(4×7)=24√7
=24√7-24
= 24(√7-1)