### Home > CCA > Chapter 8 > Lesson 8.1.3 > Problem 8-31

8-31.

Factor the following quadratic expressions, if possible. Homework Help ✎

*k*^{2}− 12*k*+ 206

*x*^{2}+ 17*x*− 14*x*^{2}− 8*x*+ 169

*m*^{2}− 1Parts (a) through (c) are trinomials while part (d) is a binomial, yet they are all quadratics. What makes each of them a quadratic?

Review online help for problem 8-17.

Use a generic rectangle and a diamond to solve.

(2*x* + 7)(3*x* − 2)

Insert a 0*m* between the 9*m*^{2} and the −1.

What the highest power of the variable in each of the problems?