Posted by Elizabeth on .
Solve the equation. Leave answer in simplest radical form.
n^22n+1=5

Algebra 
DW,
n^22n4=0
a=1 b=2 c=4
then use quadratic formula
x=(b+sqrt(b^24ac))/(2a)
x=(bsqrt(b^24ac))/(2a)
x=1+sqrt(5)
x=1sqrt(5)