Name: SAT Math Help & School Math Mastery
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#38374

algebra

expressions

hard

75 sec

What is the coefficient of $x^{2}$ when the expression $(4 x^{3} - 2 x^{2} + 5 x - 1) - (4 x^{3} + 3 x^{2} - x + 7)$ is simplified?

• 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.