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Divide. If the polynomial does not divide evenly, include the remainder as a fraction. \( \left.\qquad 4 u^{2}-14 u+11\right) \div(u-2) \) Submit

Ask by Zimmerman Malone. in the United States
Jan 27,2025

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Answer

The division of \(4u^{2} - 14u + 11\) by \(u - 2\) results in \(4u - 6\) with a remainder of \(-1\). Therefore, the final expression is \(4u - 6 - \frac{1}{u - 2}\).

Solution

To divide the polynomial \(4u^{2} - 14u + 11\) by \(u - 2\), we can use polynomial long division or synthetic division. Here's the step-by-step process using synthetic division: ### Step 1: Set Up Synthetic Division - **Divisor root**: For \(u - 2\), the root is \(u = 2\). - **Coefficients** of the dividend \(4u^{2} - 14u + 11\) are: **4**, **-14**, **11**. ### Step 2: Perform Synthetic Division \[ \begin{array}{c|ccc} 2 & 4 & -14 & 11 \\ \hline & & 8 & -12 \\ \hline & 4 & -6 & -1 \\ \end{array} \] - **Bring down the 4**. - **Multiply 4 by 2** (divisor root) to get **8**. Add this to -14 to get **-6**. - **Multiply -6 by 2** to get **-12**. Add this to 11 to get **-1**. ### Step 3: Write the Result - The **quotient** is \(4u - 6\). - The **remainder** is \(-1\). Since the polynomial does not divide evenly, include the remainder as a fraction: \[ \frac{-1}{u - 2} \] ### Final Answer: \[ \boxed{4\,u\ -\ 6\ -\ \dfrac{1}{\,u\!-\!2\,}} \]

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To perform the polynomial division \( (4u^{2} - 14u + 11) \div (u - 2) \), we start by dividing the leading term of the dividend by the leading term of the divisor. 1. \( 4u^{2} \div u = 4u \) 2. Multiply \( 4u \) by \( (u - 2) \) to get \( 4u^{2} - 8u \). 3. Subtract \( (4u^{2} - 8u) \) from \( (4u^{2} - 14u + 11) \): \((4u^{2} - 14u + 11) - (4u^{2} - 8u) = -14u + 8u + 11 = -6u + 11\). 4. Now repeat with the new polynomial \( -6u + 11\). 5. Divide \( -6u \) by \( u \): \( -6u \div u = -6\). 6. Multiply \( -6 \) by \( (u - 2) \) to get \( -6u + 12\). 7. Subtract \( (-6u + 12) \) from \( (-6u + 11)\): \((-6u + 11) - (-6u + 12) = 11 - 12 = -1\). Thus, the division results in: \[ 4u - 6 - \frac{1}{u - 2} \] In conclusion, \( 4u^{2} - 14u + 11 \div (u - 2) = 4u - 6 - \frac{1}{u - 2} \).

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