Question

Tentukan nilai x!
a.6x(4 akar 3-akar 5)=15
b.(7akar 2-akar 3)x a=16
#Tolong jawab ya pake caranya^_^

Answer 1

6x(4√3-√5)=24x√3-6x√5=15
6x(4√3-√5)=15
6x=15/(4√3-√5)
6x= 15/4√3-√5×4√3+√5/4√3+√5
6x=15(4√3+√5)/16.3-5
6x=60√3+15√5/ 48-5
6x=60√3+15√5/ 43
x=60√3+15√5/43/6
x=360√3+90√5 / 43