Question 719742
What is x^2 + 2x√5 + 5 factored
add sqrt of the first term+sqrt of last term and square it
(x+√5)^2=x^2+2x√5+5
Therefore: x^2 + 2x√5 + 5 factored=(x+√5)^2 or (x+√5)(x+√5)