Synthetic division is a simplified method of dividing polynomials, particularly useful when dividing by linear factors. However, since we are dividing by a polynomial of higher degree (specifically, x² in this case), we can still use a process similar to synthetic division, though it requires more attention to coefficients.
First, let’s express the polynomial properly:
Our polynomial is:
2x^3 + 0x^2 + 2x + 12
Now, we can set up the division:
2x^3 + 0x^2 + 2x + 12
/ (x^2 + 0x + 0)
We start by taking the leading term of the dividend (2x³) and divide it by the leading term of the divisor (x²):
2x^3 ÷ x^2 = 2x
We then multiply the entire divisor by this result and subtract it from the original polynomial:
2x^3 + 0x^2 + 2x + 12
- (2x * (x^2 + 0x + 0))
---------------------------
0 + 2x + 12
Next, we proceed with the remainder, which is now:
2x + 12
Next, we divide 2x by x² (noting that we cannot actually divide a linear term by a quadratic polynomial, which indicates that the division is complete). Therefore, the quotient we have is:
2x
As for the remainder, we denote it as:
(2x + 12)/(x^2)
In summary, the result of the synthetic division gives us a quotient of:
Quotient: 2x
Remainder: (2x + 12)/(x^2)
This shows that the polynomial is not divisible evenly by x², leaving us with this remainder.