Take the coefficients of each term and list them.
- 1 5 - 9
Multiply 3 by the first coefficient and combine it from the second.
- 1 * 3 = - 3, 5 - 3 = 2
Multiply 3 by this product and combine it from the third term.
3 * 2 = 6, - 9 + 6 = - 3
Your remainder is option B, - 3.
