Question

21=21 root3 -x root3
What to do after this step. plz help fast it is urgent

​

Answer 1

Answer:

I hope it will help u ❤️

Answer 2

Step-by-step explanation:

21=21root 3 - xroot 3

21= root 3( 21-x)

21-x = 21/root3 = 21root 3 /3 ....(Rationalizing)

21-x = 7root 3

x= 21-7root 3