(sqrt(5)*3)^2
don't know how ot simplify this, someone help?
Sqrt(5) times 3 is all to the power of 2
so the Sqrt would be cancelled and the 3 will be to the power of 2
5*3^2 is simplified
(sqrt(5)*3)^2 = (5)*3^2 = 5*9 = 45
+12 
