The Equation Has a Solution R in the Interval Indicated $x ^ { 4 } - x ^ { 3 } - 7 x ^ { 2 } + 5 x + 10 = 0 ; - 3 \leq r \leq - 2$

Short Answer

The equation has a solution r in the interval indicated. Approximate this solution correct to two decimal places.
- $x ^ { 4 } - x ^ { 3 } - 7 x ^ { 2 } + 5 x + 10 = 0 ; - 3 \leq r \leq - 2$