| Giver | Post | Date |
| Nelli | Re: The sum of all solutions for x in the equation x^2 – 8x + 21 = |x – 4| | 09-Apr-2024 |
| SDUA | Re: The sum of all solutions for x in the equation x^2 – 8x + 21 = |x – 4| | 28-Jan-2022 |
| jsmith97 | Re: The sum of all solutions for x in the equation x^2 – 8x + 21 = |x – 4| | 27-Aug-2021 |