To find the quotient of the polynomial 2x³ + 2x + 12 divided by (x – 2) using synthetic division, we first set up our synthetic division process.
1. Identify the coefficients of the polynomial: For 2x³ + 0x² + 2x + 12, the coefficients are [2, 0, 2, 12].
2. Since we are dividing by (x – 2), we will use 2 for synthetic division.
3. Write down the coefficients:
2 0 2 12
2 |
4. Bring down the first coefficient:
2 0 2 12
2 | 2
|_______
5. Multiply by 2 and add it to the next coefficient:
2 0 2 12
2 | 2 4
|_______
2 4
6. Repeat the process:
2 0 2 12
2 | 2 4 12
|_______
2 4 24
7. Finally, add the last column:
2 0 2 12
2 | 2 4 12
|_______
2 4 24
The final row gives us the coefficients of the quotient, which is 2x² + 4x + 24. Thus, the quotient of 2x³ + 2x + 12 divided by (x – 2) is:
Quotient: 2x² + 4x + 24
So, using synthetic division, we have found that the quotient is 2x² + 4x + 24.