Work through example 3 in the section on factoring by grouping, and solve problems 11 to 15, 17, 18, and 23 through 27 in the practice set. All of these problems are four-term polynomials that you can factor by grouping. After you complete the practice problems, check your answers.

Click https://www.ck12.org/book/basic-algebra/section/9.7/ link to open resource.