Answer
Given that y=x2-x-6
| x | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 |
| x2 | ||||||||
| 6 | ||||||||
| y=x2-x-6 | - | - | - | - | ||||
| (x,y) | (-,) | (-,) | (-,-) | (,-) | (,-) | (,-) | (,) | (,) |
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Result:From the graph who observe that and - are the intersecting points of X-axis.
So,the zeros of given quadratic polynomial are and -.