SAT Math Practice Question #31394 - SATify | SATify
#31394
quadratic equations
expressions
algebra
medium
75 sec
The expression (31x−21)(2x+43) is equivalent to ax2+bx+c, where a, b, and c are constants. What is the value of a+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.