Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. x2 + 5x ? -6
A. [-3, -2]
B. (-?, -3]
C. (-?, -3] ? [-2, ?)
D. [-2, ?)
Answer: C
Mathematics
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Mathematics
Solve by the most appropriate method.(2x - 1)(x + 5) = 21
A. -5, 
B. -5, 2
C. - 
, 2
D. -2, 
Mathematics