What are the solutions to the equation x2+x−12=0?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

Solve for x and select the correct answer

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?