Name: SAT Math Help & School Math Mastery
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#34605

expressions

algebra

medium

75 sec

When the expression $(A x^{2} + B x + C) - (D x^{2} + E x + F)$ is simplified, the result is $5 x^{2} - 7 x + 3$ . If $A = 8$ and $E = 2$ , 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.