Chapter 5 - Section 5.2 - Multiplying Polynomials - Exercise Set - Page 359: 80

$x^{3}-3x^{2}-19x+36$

$ \begin{array}{ccccccc} & & & & x^{2} & -7x & +9\\ & & & & & x & +4\\ & & & & -- & -- & --\\ & & & & 4x^{2} & -28x & +36\\ & & & x^{3} & -7x^{2} & +9x & \\ \hline & & & & & & \\ & & & x^{3} & -3x^{2} & -19x & +36 \end{array} \qquad \begin{array}{l} .\\ .\\ .\\ \leftarrow 4(x^{2}-7x+9)\\ \leftarrow x(x^{2}-7x+9)\\ \\ \leftarrow\text{combine } \end{array}$