Question

Simplify: √(a^2 +2a +1)

Answer 1

\[\sqrt{(a+1)^2}\]

Answer 2

then that would just be a+1 ?

Answer 3

Yes

Answer 4

Do you know how he got (a + 1) out of the initial equation though?

Answer 5

yes... a^2 +2a +1 when factored is (a+1)^2

Answer 6

Alright, just making sure :)

Answer 7

thanks :)

Answer 8

\[\sqrt{a^2+2a+1}=\sqrt{(a+1)^2}=|a+1|\]