Name: SAT Math Help & School Math Mastery
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#14521

algebra

factoring

hard

90 sec

One of the factors of $x^{4} - 13 x^{3} + 42 x^{2}$ is $x - b$ , where $b$ is a positive constant. What is the largest possible value of $b$ ?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.