I need help please solving

Plz me plzzzzzzz i need and plz delte this after answer

What are the solutions to the equation 4x2+3x=24-x

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)