Name: SAT Math Help & School Math Mastery
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#15569

algebra

expressions

medium

45 sec

The sum of $4 x^{2} - 3 x + 10$ and $- 2 x^{2} + 5 x - 15$ can be written in the form $a x^{2} + b x + c$ , where $a, b,$ and $c$ are constants. What is the value of $a + b + c$ ?

• 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.