-(2/5)^2+3(2/5)
You wrote - (2/5)^2 this will result in - 4/25 (I am not sure if that is what you meant (-2/5)^2 = + 4/25)
soooooooo....
- 4/25 + 3(2/5)
-4/25 + 6/5
-4/25 + 30/25 ( I changed 6/5 to common denominator 30/25)
26 / 25 = 1 1/25
+37099 
