Question

Find the positive root of
please solve the problem

Answer 1

hope it helps you.......
:).....

Answer 2

3x ^2 +6 = ( 9 ) ^2

3x ^2 +6 = 81

3x ^2 = 81 - 6

3x ^2 = 75.

x^2 = 75 / 3

x ^2 = 2 5

x =
$\sqrt{25}$
x = + 5, - 5

For positive root, x = + 5.