Final answer:
The expression 3x² + 19x + 20 is a quadratic equation. Its solutions can be found using the quadratic formula.
Step-by-step explanation:
This expression is a quadratic equation of the form at² + bt + c = 0, where the constants are a = 3, b = 19, and c = 20. Its solutions are given by the quadratic formula:
x = (-b ± sqrt(b² - 4ac)) / (2a)