Answer:
-1 +1 = 0 so -1000 + 1000 = 0
Step-by-step explanation:
Hence lake will never be free of pesticide.
1. Given
2. Combine like terms
3. Subtraction POE (Property of Equality)
16n^2-25=0
16n^2=25
n^2=25/16
n=+-5/4