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Complete the synthetic division problem below.

[tex]2 \longdiv { 1 \quad 5 \quad 5 \quad -14 }[/tex]

What is the quotient in polynomial form?

A. [tex]x-7[/tex]
B. [tex]x-5[/tex]
C. [tex]x+5[/tex]
D. [tex]x+7[/tex]

Answer :

To solve the synthetic division problem, let's break it down step-by-step to find the quotient of the polynomial division.

### Problem Understanding:

We are given a division where the polynomial is `x^2 + 5x - 14` and we are dividing it by `x - 2`. Synthetic division is a shorthand method used when dividing a polynomial by a binomial of the form `(x - c)`. In this case, `c` is `2`.

### Steps for Synthetic Division:

1. Set Up the Problem:
- Write down the coefficients of the dividend polynomial: `1 (for x^2)`, `5 (for x)`, and `-14` (the constant term).
- Put `2` (the root from `x - 2` = 0) on the left side.

2. Synthetic Division Process:
- Start by bringing down the leading coefficient `1` straight down below the line.
- Multiply `2` by this number and write the result under the next coefficient: `2 1 = 2`.
- Add this result to the next coefficient: `5 + 2 = 7`.
- Repeat the multiply and add: `2
7 = 14`, and `-14 + 14 = 0`.

3. Read the Result:
- The numbers below the line represent the coefficients of the quotient polynomial. In this case, they are `1` and `7` with a remainder of `0`.
- Therefore, the quotient is `x + 7`.

### Answer:

So, the quotient of the division is:

D. [tex]\( x + 7 \)[/tex]

This matches option D, showing that the quotient of the polynomial division is indeed [tex]\( x + 7 \)[/tex].

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