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Home > A2C > Chapter 4 > Lesson 4.3.2 > Problem 4-153

4-153.

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.