Name: SAT Math Help & School Math Mastery
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#15141

algebra

expressions

quadratic equations

medium

70 sec

The expression $(2 x + 3) (x + 4)$ is equivalent to $a x^{2} + b x + c$ , where $a$ , $b$ , and $c$ are constants. What is the 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.