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Home > INT3 > Chapter 9 > Lesson 9.2.4 > Problem 9-140

9-140.

If x2 + kx + 18 is factorable, what are the possible values of k? Homework Help ✎

Complete the square by constructing a physical square.

There are 6 answers: +18 and –18 are two of them.
Find the other 4 answers.