If (x + y)^2 = 25 and xy = 6, what is the value of x^2 + y^2?
(x + y)^2 = x^2 + y^2 + 2xy
Can you take it from here?
=^._.^=
$x^2 + y^2 + 6 =25$
$x^2+y^2= \boxed{19}$
-mps
Nice job mps.
However, I think you forgot the 2xy part.
