Let "n" be the variable for the number-
In number form, this problem is-
(2)n^2-5=35
First, add 5 to both sides
(2)n^2-5+5=35+5
2n^2=40
Divide by 2
n^2=20
Find the square root of both sides-
n= Square root of 20
n= 2[tex] \sqrt{5} [/tex]
Approximately- 4.4721....
