Asked by Cameon Viney on May 29, 2024

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Use synthetic division to divide. x3+3x2−9x+4\frac { x ^ { 3 } + 3 x ^ { 2 } - 9 } { x + 4 }x+4x3+3x29

A) x2−x−5−5x+4x ^ { 2 } - x - 5 - \frac { 5 } { x + 4 }x2x5x+45
B) x2+x+2−15x+4x ^ { 2 } + x + 2 - \frac { 15 } { x + 4 }x2+x+2x+415
C) x2+7x+28+121x+4x ^ { 2 } + 7 x + 28 + \frac { 121 } { x + 4 }x2+7x+28+x+4121
D) x2−x+6−10x+4x ^ { 2 } - x + 6 - \frac { 10 } { x + 4 }x2x+6x+410
E) x2−x+4−25x+4x ^ { 2 } - x + 4 - \frac { 25 } { x + 4 }x2x+4x+425

Synthetic Division

A simplified method of dividing polynomials, especially useful for dividing by linear factors.

Divide

A mathematical operation that represents dividing one quantity by another to find out how many times the divisor fits into the dividend.

  • Employ synthetic division to divide polynomials.
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Verified Answer

AB
Alyssa BrooksJun 05, 2024
Final Answer :
E
Explanation :
We use synthetic division as follows:

\begin{array}{c|rrr}
-4 & 1 & 3 & -9 \\
\hline
& & -4 & 4 \\
\hline
1 & -1 & -1 & -5 \\
\end{array}

The quotient is $x^2-x+4$ and the remainder is $-25/(x+4)$. Therefore, the answer is choice E.