Advanced Math practice question

Answer: 2

x² + 7x + 10 = (x + 2)(x + 5), and dividing by (x + 5) leaves x + 2. So k = 2.

Common wrong answers

If you answered 5

5 is the cancelled factor's constant.

If you answered 7

7 is the middle coefficient.

If you answered 10

10 is the original constant.

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