Questions: Divide. (x^3-6x^2-49)/(x-7)

Divide.
(x^3-6x^2-49)/(x-7)
Transcript text: Divide. \[ \frac{x^{3}-6 x^{2}-49}{x-7} \]
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Solution

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Solution Steps

To divide the polynomial \(\frac{x^{3}-6 x^{2}-49}{x-7}\), we can use polynomial long division or synthetic division. Here, we'll use synthetic division for simplicity. The steps involve setting up the synthetic division table, performing the division, and obtaining the quotient and remainder.

Step 1: Set Up the Synthetic Division

We start with the polynomial \(x^3 - 6x^2 + 0x - 49\) and the divisor \(x - 7\). The root of the divisor is \(7\).

Step 2: Perform Synthetic Division

Using synthetic division, we divide the polynomial by \(x - 7\). The coefficients of the polynomial are \([1, -6, 0, -49]\).

Step 3: Obtain the Quotient and Remainder

The synthetic division yields the quotient coefficients \([1, 1, 7]\) and a remainder of \(0\).

Step 4: Write the Quotient Polynomial

The quotient polynomial is formed from the coefficients \([1, 1, 7]\), which corresponds to: \[ x^2 + x + 7 \]

Final Answer

The result of dividing \(\frac{x^3 - 6x^2 - 49}{x - 7}\) is: \[ \boxed{x^2 + x + 7} \]

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