\(\text{Suppose the decimal } 0.28 \text{ is equal to } \frac{1}{n}+\frac{2}{n^2}, \text{ where } n \text{ is negative Find } n.\)
+36916 Multiply thru by n^2 to get
.28 n^2 = n +2 re-arrange
.28n^2 - n -2 = 0 Quadratic formula (for the negative value) n = - 1.42857
